| — | Blood | The Prophet |
| 2025 | The Gettysburg Address | Edward Everett (voice) |
| 2024 | Altered Reality | Mike Wilson |
| 2020 | Bury Me in Armor | Dimitry George |
| 2018 | Eva: A-7063 | Narrator (voice) |
| 2018 | Honor Amongst Men | Pop Halmo |
| 2017 | Framed: The Adventures of Zion Man | Adult Walter (voice) |
| 2016 | Titanic: Sinking the Myths | Wilhelm Müller |
| 2016 | Mary Jane: A Musical Potumentary | Corporate Manager |
| 2015 | Generation A: Portraits of Autism and the Arts | Self |
| 2013 | American Road | Walt Whitman |
| 2011 | Good Men | Morty |
| 2003 | The Commission | Capt. J.W. 'Will' Fritz |
| 2001 | Gahan Wilson's The Kid | Dead Cat |
| — | The True Story of the Amityville Murders: From Homicide to Horror | Narrator |
| — | Everbrook (The Home) | |
| 2014 | Audrey | Walt |
| 2012 | Autism and Cake | Fred |
| 2011 | Absolute Killers | |
| 2010 | The Triumph of William Henry Harrison | |
| 2009 | Up: Upisodes | Carl Fredricksen (voice) |
| 2008 | Balancing Acts: A Jewish Theatre in The Soviet Union | Narrator (Voice) |
| 2007 | The Rich Have Their Own Photographers | |
| 2007 | From Wharf Rats to Lords of the Docks | |
| 2003 | Plan Colombia: Cashing In on the Drug War Failure | Narrator (voice) |
| 2000 | The Tulsa Lynching of 1921: A Hidden Story | |
| 1999 | Snowden's Christmas | (voice) |
| 1996 | Hanged on a Twisted Cross | Narrator |
| 1994 | Thunder Alley | Gil Jones |
| 1991 | The Real Story of Happy Birthday To You | Charlie (voice) |
| 1991 | Silent Motive | Sam |
| 1987 | Cracked Up | Rev. Vincent Owens |
| 1986 | Darlin' Clementine | Lucky Jake |
| 1986 | Vital Signs | Matthew St James |
| 1984 | Anatomy of an Illness | Norman Cousins |
| 1982 | O'Hara's Wife | Bob O'Hara |
| 1979 | The Family Man | Eddie Madden |
| 1978 | NBC Salutes the 25th Anniversary of the Wonderful World of Disney | Self |
| 1977 | The Life and Assassination of the Kingfish | Huey P. Long |
| 1975 | The Impersonation Murder Case | Dt. Ed Ames |
| 1975 | Twigs | Phil |
| 1972 | Sam Cade | |
| 1966 | CBS Playhouse | |
| 1961 | The Murder Men | Dave Keller |
| 1960 | J-24 | |
| 1960 | The New Girl | Kurt Harden |
| — | Ed Asner's Oral History | Self - Interviewee |
| 2023 | A Fargo Christmas Story | Popcorn Bud |
| — | Full Blossom: The Life of Poet/Actor Roberts Blossom | |
| — | A Man and His Prostate | |
| 2023 | L'appuntamento di Carl | Carl (voice) |
| 2023 | Being Mary Tyler Moore | Self (voice) |
| 2022 | Diario di una schiappa - La legge dei più grandi | Grandpa Heffley (voice) |
| 2021 | Una vita da Dug | Carl (voice) |
| 2021 | Muppets Haunted Mansion: La casa stregata | Ghost of Claude |
| 2021 | The Premise - Questioni morali | Mr. Holmes |
| 2021 | Back Home Again | Peter Lionsbridge (voice) |
| 2021 | Senior Entourage | Ed |
| 2021 | Scarlett | |
| 2020 | Central Park | Ambrose (voice) |
| 2020 | M.O.M. Mothers of Monsters | Dr. Howard Arden |
| 2020 | I film della nostra infanzia: Le feste | Self |
| 2020 | The Garden Left Behind | Dr. Cleary |
| 2020 | Sette | |
| 2020 | Rain Beau's End | Gunny |
| 2020 | Tiger Within | Samuel |
| 2019 | Doom Patrol | Hospital Patient |
| 2019 | Dead to me - Amiche per la morte | Abe Rifkin |
| 2019 | The Kelly Clarkson Show | Self |
| 2019 | Faith, Hope & Love | Harry Karetas |
| 2019 | In Vino | Charles |
| 2018 | Cobra Kai | Sid Weinberg |
| 2018 | Con tutto il mio cuore - Il matrimonio | Vern |
| 2018 | Ballmastrz: 9009 | Rupert T. Digzfield (voice) |
| 2018 | L’ultimo brindisi | Tommy |
| 2018 | Olympia | Himself |
| 2018 | LA DA Story | Self (archive footage) |
| 2018 | Angels on Tap | Swifty |
| 2018 | Waiting in the Wings: Still Waiting | Jefferson |
| 2017 | Con tutto il mio cuore | Vern |
| 2017 | CarGo: The City on 4 Wheels! | Arthur (voice) |
| 2017 | Natale con gli StoryBots | Santa |
| 2017 | Yamasong: March of the Hollows | Elder Pyreez |
| 2017 | Santa Stole Our Dog: A Merry Doggone Christmas! | Santa |
| 2017 | Saving Christmas | Rick |
| 2017 | And the Winner Isn't | Self |
| 2017 | Joe's War | Harry |
| 2016 | MacGyver | Saul |
| 2016 | Innamorarsi a Valentine | Gabriel Morgan |
| 2016 | The Best Democracy Money Can Buy | Self |
| 2016 | Super Sex | George |
| 2016 | Getting Ed Laid | Ed Randall |
| 2016 | Love Meet Hope | Mr. James |
| 2015 | Grace And Frankie | Howard Jay |
| 2015 | Bed & Breakfast With Love | Vern |
| 2015 | Celebrity Family Feud | Self |
| 2015 | The Nutcracker Sweet | Owl |
| 2015 | A Merry Murdoch Christmas | Kris Kringle |
| 2015 | I Thought I Told You To Shut Up!! | Himself |
| 2015 | Mary Tyler Moore: A Celebration | Self / Lou Grant (archive footage) |
| 2014 | I Know That Voice | Self |
| 2014 | L'inventore di giochi | Nicholas Drago |
| 2014 | Chasing Life | April's grandfather |
| 2014 | Elf: Buddy's Musical Christmas | Santa (voice) |
| 2014 | Waiting in the Wings: The Musical | Jefferson |
| 2014 | Finalmente Natale | Grandpa (voice) |
| 2013 | Teen Titans Go! | Sgt. Mike Cosgrove (voice) |
| 2013 | Mom | Jack |
| 2013 | The Crazy Ones | Mr. Finger |
| 2013 | Emergenza d'amore | Chief Buddy |
| 2013 | Christmas on the Bayou | Papa Noel |
| 2013 | Bonta 3D | Bonta / Narrator |
| 2013 | Saturday Night Live: Thanksgiving | Mr Wilson |
| 2012 | Holiday Heist - Mamma, ho visto un fantasma | Mr. Carson |
| 2012 | Foodfight! | Mr. Leonard (voice) |
| 2012 | Men At Work | Bob |
| 2012 | Casting By | Self |
| 2012 | Elephant Sighs | Leo |
| 2012 | Liberator | President Whitlock |
| 2012 | Should've Been Romeo | Charlie |
| 2012 | Betty White's 90th Birthday: A Tribute to America's Golden Girl | Self |
| 2011 | Superman: All Star Superman | Perry White (voice) |
| 2011 | Too Big to Fail - Il crollo dei giganti | Warren Buffett |
| 2011 | Let Go | Artie |
| 2011 | Identical | Yaakov Washington |
| 2011 | The Desert of Forbidden Art | Voice |
| 2011 | Not Another B Movie | Angry Investor |
| 2011 | Architects & Engineers: Solving the Mystery of WTC 7 | Himself |
| 2011 | Hopelessly in June | Rabbi |
| 2011 | Working Class | Hank Greziak |
| 2011 | Michael: Tuesdays and Thursdays | Dr. Wasserman |
| 2010 | Regular Show | Santa Claus (voice) |
| 2010 | Hawaii Five-0 | August March |
| 2010 | Young Justice | Kent Nelson (voice) |
| 2010 | Superman/Batman: Apocalypse | Granny Goodness (voice) |
| 2010 | Hot in Cleveland | Jameson |
| 2009 | Up | Carl Fredricksen (voice) |
| 2009 | Modern Family | Herschel |
| 2009 | The Middle | Ben |
| 2009 | The Good Wife | Guy Redmayne |
| 2009 | La missione speciale di Dug | Carl Fredricksen (voice) (uncredited) |
| 2009 | The Cleveland Show | |
| 2009 | The Line | |
| 2008 | The Spectacular Spider-Man | Ben Parker (voice) |
| 2008 | Gigantic | Kirby Weathersby |
| 2008 | Christmas Cottage | Sidney |
| 2008 | Generazioni a confronto | Bart Cahill |
| 2008 | Channels | Ed Packard |
| 2008 | Shatner's Raw Nerve | Self |
| 2007 | The Sarah Silverman Program. | Commandant Von Reichenstein |
| 2007 | Andy Barker, P.I. | Mickey Doyle |
| 2007 | Christmas Is Here Again | Krad (voice) |
| 2007 | Hard Four | Golden Hands Segal |
| 2006 | Studio 60 on the Sunset Strip | Wilson White |
| 2006 | The Christmas Card - Un magico incontro | Luke Spelman |
| 2005 | Bones | Rufus Tucker |
| 2005 | American Dad! | Narrator (voice) |
| 2005 | American Dad! | TV Guide Editor-in-Chief (voice) |
| 2005 | American Dad! | Mailbox #2 (voice) |
| 2005 | American Dad! | Grandpa Smith (voice) |
| 2005 | The Boondocks | Ed Wuncler (voice) |
| 2005 | Spider-Man: La saga di Venom | J. Jonah Jameson |
| 2005 | Sir! No Sir! | Col. Heinl |
| 2005 | La mia casa nel bosco | Jack Green |
| 2005 | Class Dismissed: How TV Frames the Working Class | Narrator |
| 2005 | Sleeping Dogs Lie | Sheriff Delaney |
| 2005 | The Oil Factor: Behind the War on Terror | Himself |
| 2005 | Sheeba | |
| 2004 | Justice League Unlimited | Hephaestus (voice) |
| 2004 | Justice League Unlimited | Granny Goodness (voice) |
| 2004 | CSI: New York | Abraham Klein |
| 2004 | Spider-Man vs. Doc Ock | J Jonah Jameson |
| 2004 | Center of the Universe | Art Barnett |
| 2004 | Happy Birthday Oscar Wilde | Self |
| 2004 | Missing Brendan | George Calden |
| 2003 | Elf - Un elfo di nome Buddy | Santa |
| 2003 | Spider-Man: The New Animated Series | Officer Barr (voice) |
| 2003 | Daredevil Contro Spider-Man | J. Jonah Jameson (voice) |
| 2003 | National Lampoon's - Vacanze di Natale | Uncle Nick |
| 2003 | The King and Queen of Moonlight Bay | Augie Sinclair |
| 2003 | The Golden Girls: Lifetime Intimate Portrait Series | Self |
| 2002 | The Dead Zone | |
| 2002 | Spider-man: Scontro Finale | J. Jonah Jameson |
| 2002 | Papa Giovanni XXIII | Angelo Roncalli |
| 2002 | The Man Who Saved Christmas | Charles Gilbert |
| 2002 | Papa Giovanni Joannes XXIII | Jean XXIII |
| 2002 | The Good War and Those Who Refused to Fight It | Narrator |
| 2002 | The Mary Tyler Moore Reunion | Self |
| 2001 | Animal | Chief Wilson |
| 2001 | La preda perfetta | Jay Roth |
| 2001 | In Search of Peace | David Ben Gurion (voice) |
| 2000 | Curb Your Enthusiasm | Mr. Weiner |
| 2000 | Buzz Lightyear da Comando Stellare | Fixer (voice) |
| 2000 | Max Steel | Chuck Marshak (voice) |
| 2000 | Common Ground | Ira |
| 2000 | Above Suspicion | Thomas O'Claire |
| 2000 | The Huntress | |
| 2000 | Vittoria col cuore | Billy Hicks |
| 2000 | Bring Him Home | Geza |
| 2000 | Becoming Dick | Davis Aldrich |
| 1999 | I Griffin | Steve Bellows (voice) |
| 1999 | Law & Order - Unità vittime speciali | Martin Schultz |
| 1999 | Lo scapolo d'oro | Gluckman |
| 1999 | Olive, The Other Reindeer | Santa Claus (voice) |
| 1999 | O' Christmas Tree | Nutcracker (voice) |
| 1999 | Our Friend, Martin | Mr. Harris (voice) (as Ed Asner) |
| 1999 | Love and Action in Chicago | Taylor |
| 1999 | The Sissy Duckling | Father Duck (voice) |
| 1998 | Pioggia infernale | Uncle Charlie |
| 1998 | Hercules | Mentor (voice) |
| 1998 | La famiglia della giungla | Frank Hunter (voice) |
| 1998 | More Tales of the City | Jack Lederer |
| 1998 | The Closer | |
| 1998 | Maggie Winters | |
| 1997 | King of the Hill | Stinky (voice) |
| 1997 | Johnny Bravo | |
| 1997 | Dharma & Greg | Earl Tucker |
| 1997 | Catastrofici castori | |
| 1997 | The Practice - Professione avvocati | Judge Matlin Pratt |
| 1997 | The Practice - Professione avvocati | Judge Marcus Winnaker |
| 1997 | A Christmas Carol | Marley (voice) |
| 1997 | The Long Way Home | George Patton / Immigrant to USA / David Ben-Gurion / Holocaust Survivor (voice) |
| 1997 | The Trial of Adolf Eichmann | Dr. Robert Servatius (voice) |
| 1997 | Payback | Jack Patkanis |
| 1997 | Dog's Best Friend | Jeep, the Sheep Dog (voice) |
| 1997 | The Fumbleheads | Charlie Atwater |
| 1997 | Academy Boyz | |
| 1996 | Superman | Granny Goodness (voice) |
| 1996 | E! True Hollywood Story | |
| 1996 | Le avventure di Jonny Quest | Von Romme (voice) |
| 1996 | Gargoyles: The Heroes Awaken | Hudson (voice) |
| 1996 | The Story of Santa Claus | Santa Claus (voice) |
| 1996 | Gone in the Night | Det. John Waters |
| 1996 | Arliss | |
| 1995 | Freakazoid! | Sgt. Cosgrove (voice) |
| 1995 | Goldilocks and the Three Bears | Bruno |
| 1995 | Going, Going, Almost Gone! Animals in Danger | |
| 1994 | Spider-Man - L'uomo ragno | J. Jonah Jameson (voice) |
| 1994 | E.R. - Medici in prima linea | Dr. James McNulty |
| 1994 | Gargoyles - Il risveglio degli eroi | Hudson (voice) |
| 1994 | Il tocco di un angelo | Bud |
| 1994 | Allacciate le cinture! Viaggiando si impara | (voice) |
| 1994 | Duckman | |
| 1994 | Heads | Ab Abbot |
| 1994 | Down on the Waterfront | |
| 1993 | X-Files | Maurice |
| 1993 | Gypsy | Charles Thompson |
| 1993 | Beyond JFK: The Question of Conspiracy | Self |
| 1993 | Intimate Portrait | Self |
| 1993 | Politically Incorrect | |
| 1992 | Batman: The Animated Series | Roland Daggett (voice) |
| 1992 | Innamorati pazzi | Zigmund Klarik |
| 1992 | Fish Police | |
| 1992 | Cruel Doubt | Bill Osteen |
| 1992 | Earth and the American Dream | Reader (voice) |
| 1992 | Hearts Afire | George Lahti |
| 1991 | JFK - Un caso ancora aperto | Guy Bannister |
| 1991 | I dinosauri | Evil Georgie (voice) |
| 1991 | Sì Virginia, Babbo Natale esiste | Edward P. Mitchell |
| 1991 | Switched at Birth | Ted Marx |
| 1991 | Mary Tyler Moore: The 20th Anniversary Show | Himself |
| 1990 | Capitan Planet e i Planeteers | Hoggish Greedly (voice) |
| 1990 | Not a Penny More, Not a Penny Less | Harvey Metcalfe |
| 1990 | I casi di Rosie O'Neill | Walter Kovacs |
| 1990 | Night of 100 Stars III | Self |
| 1990 | The Cops Are Robbers | |
| 1989 | I Simpson | Editor (voice) |
| 1989 | Biancaneve e vissero felici e contenti | Scowl the Owl (voice) |
| 1988 | Pappa e Ciccia | |
| 1988 | Il dittatore del Parador in arte Jack | Self |
| 1988 | A Friendship in Vienna | Opah Oskar Reikman |
| 1987 | I sogni di Pinocchio | Scalawag (voice) |
| 1987 | The Bronx Zoo | |
| 1987 | The RKO Story: Tales From Hollywood | Self - Presenter |
| 1986 | La stella di Natale | Horace McNickle |
| 1986 | Kate's Secret | Dr. Resnick |
| 1986 | Joshua and the Battle of Jericho | Joshua (voice) |
| 1985 | Tender Is the Night | Devereux Warren |
| 1985 | Tall Tales & Legends | Lucky Jake |
| 1985 | Night of 100 Stars II | Self |
| 1985 | Off the Rack | Sam Waltman |
| 1984 | Autostop per il cielo | |
| 1984 | Donald Duck's 50th Birthday | Self |
| 1983 | Reading Rainbow | Himself - Narrator (voice) |
| 1983 | Daniel | Jacob Ascher |
| 1983 | A Case of Libel | Robert Sloane |
| 1982 | Americas in Transition | Narrator |
| 1982 | Night of 100 Stars | Self |
| 1981 | Bronx 41º distretto di polizia | Connolly |
| 1981 | The Marva Collins Story | Narrator (voice) |
| 1981 | A Small Killing | Simon Shaber |
| 1978 | The White Shadow | Edward Asner (uncredited) |
| 1978 | A Different Approach | |
| 1978 | The Good Doctor | Various Roles |
| 1977 | Radici | Thomas Davies |
| 1977 | Radici | Capt. Thomas Davies |
| 1977 | Lou Grant | Lou Grant |
| 1977 | The Gathering | Adam |
| 1976 | Uno strano campione di football | Hank Cooper |
| 1976 | Il ricco e il povero | Axel Jordache |
| 1975 | Saturday Night Live | Self - Host |
| 1975 | Death Scream | Peter Singleton |
| 1975 | The Impostor | Barney West |
| 1975 | Hey, I'm Alive | Ralph Flores |
| 1975 | Mitzi & 100 Guys | Self |
| 1974 | Rhoda | |
| 1974 | Bestione superstar | Frank Bass |
| 1974 | Dinah! | Self |
| 1973 | Una ragazza molto brutta | Det. Ralph Varone |
| 1973 | Sulle strade della California | |
| 1973 | The Dean Martin Celebrity Roasts | Self |
| 1972 | Haunts of the Very Rich | Al Hunsicker |
| 1971 | Il magliaro a cavallo | Plunkett |
| 1971 | Great Performances | |
| 1971 | L'idolo | Fred Reardon |
| 1971 | The Last Child | Barstow |
| 1971 | They Call It Murder | Chief Otto Larkin |
| 1970 | Omicidio al neon per l'ispettore Tibbs | Woody Garfield |
| 1970 | Mary Tyler Moore | Lou Grant |
| 1970 | The Flip Wilson Show | Self |
| 1970 | I sentieri della rabbia | Ernie McKay |
| 1970 | L'uomo che gridava al lupo | Dr. Morheim |
| 1970 | House on Greenapple Road | Sheriff Muntz |
| 1969 | Change of Habit | Lt. Moretti |
| 1969 | Medical Center | |
| 1969 | Daughter of the Mind | Saul Wiener |
| 1968 | Hawaii squadra cinque zero | August March |
| 1968 | Mod Squad, i ragazzi di Greer | |
| 1968 | Reporter alla ribalta | Cesare Marino |
| 1968 | Reporter alla ribalta | Vince Leonard |
| 1967 | Ironside | |
| 1967 | Gli invasori | Taugus |
| 1967 | Gli invasori | Harry Ferguson |
| 1967 | Peter Gunn: 24 ore per l'assassino | Lt. Jacoby |
| 1967 | Suspense a Venezia | Frank Rosenfeld |
| 1966 | El Dorado | Bart Jason |
| 1966 | Missione Impossibile | George Simpson |
| 1966 | Pattuglia del deserto | Captain Friedrich |
| 1966 | The Girl from U.N.C.L.E. | |
| 1966 | Volo 1-6 non atterrate | Feldman |
| 1966 | Squadra speciale anticrimine | |
| 1965 | Selvaggio west | Furman Crotty |
| 1965 | Stazione 3 - Top Secret | Henchman Veretti |
| 1965 | La vita corre sul filo | Det. Judd Ridley |
| 1965 | F.B.I. | John Carl Brock |
| 1965 | F.B.I. | Walter Gretzler |
| 1965 | F.B.I. | Pete Zacharias |
| 1965 | Non mangiate le margherite | |
| 1965 | I giorni di Bryan | Carl Cappi |
| 1964 | Fanfare for a Death Scene | Pike |
| 1964 | Slattery's People | Frank Radcliff |
| 1964 | Profiles in Courage | Oliver E. Wells |
| 1964 | Profiles in Courage | President Ulysses S. Grant |
| 1963 | Oltre i limiti | Detective Sgt. Thomas Siroleo |
| 1963 | The Fugitive | Roy Malinek |
| 1963 | The Fugitive | Sheriff Mayhew |
| 1963 | The Fugitive | Joe Bantam |
| 1963 | La legge di Burke | Pablo Vasquez |
| 1963 | Bob Hope Presents the Chrysler Theatre | |
| 1963 | The Lieutenant | |
| 1963 | Mr. Novak | Harmon Stern |
| 1963 | Mr. Novak | Paul Berg |
| 1962 | The Tonight Show Starring Johnny Carson | Self |
| 1962 | L'ora di Hitchcock | Jack Stander |
| 1962 | Pugno proibito | Assistant District Attorney Frank Gerson (uncredited) |
| 1962 | Il virginiano | George Johnson |
| 1962 | Stoney Burke | Kapp |
| 1962 | Undicesima ora | |
| 1961 | Dottor Kildare | Dr. Frank Williams |
| 1961 | La parola alla difesa | Tim Sellers |
| 1961 | La parola alla difesa | Harry Obermayer |
| 1961 | The Mike Douglas Show | Self |
| 1961 | The Mike Douglas Show | Self - Co-Host |
| 1961 | Lotta senza quartiere | Dave Keller |
| 1961 | Target: The Corruptors! | |
| 1960 | Route 66 | |
| 1960 | Route 66 | Second Man |
| 1960 | Outlaws | |
| 1959 | Gli intoccabili | Fedor Bartok |
| 1958 | La città in controluce | Lt. Vincent Busti |
| 1957 | Una donna poliziotto | Sergeant |
| 1957 | The Defender (Studio One) | Juror (uncredited) |
| 1957 | The Night America Trembled | |
| 1956 | Tony Awards | Self - Presenter |
| 1955 | Alfred Hitchcock presenta | Warden Bragan |
| 1955 | Gunsmoke | Sgt. Wilks |
| 1955 | Gunsmoke | Redmond |
| 1949 | The Emmy Awards | Self |
| 1948 | Studio One | Actor #3 |
| 1944 | Golden Globe Awards | Self - Winner |
| 1944 | Golden Globe Awards | Self - Nominee |
