| — | Let's Have Kids! | |
| 2024 | To the Journey - Looking Back at Star Trek: Voyager | Self |
| 2024 | Holiday Touchdown: A Chiefs Love Story | |
| — | Don't Tell Larry | |
| 2024 | Strange Darling | Frederick |
| 2023 | Casi muertos (La muerte puede esperar) | Bill |
| 2022 | Ámsterdam | General Bill Meekins |
| 2022 | Queer as Folk | Winston |
| 2021 | Mr. Mayor | Chet Danville |
| 2020 | Querida Navidad | Randy Morgan |
| 2020 | Reboot Camp | John Lehman |
| 2020 | Michael Des Barres: Who Do You Want Me To Be? | Self |
| 2019 | Plus One | Chuck King |
| 2019 | Detective astuto en el instituto | Charlie DeWitt |
| 2019 | Bless This Mess | Rudy |
| 2019 | Making Babies | Dr. Remis |
| 2019 | Human Discoveries | Marsh (voice) |
| 2018 | Book Club | Tom |
| 2018 | Los Green en la gran ciudad | Mr. Whistler (voice) |
| 2018 | The Cool Kids | Karl |
| 2017 | El joven Sheldon | Grant Linkletter |
| 2017 | CHiPs, loca patrulla motorizada | Wasp Driver |
| 2017 | Lucky | Dr. Kneedler |
| 2017 | Future Man | Gabe Futturman |
| 2017 | El día de la novia | Rupert |
| 2017 | Amelia 2.0 | Paul Wesley |
| 2017 | And the Winner Isn't | Self |
| 2016 | Cazafantasmas | Ed Mulgrave |
| 2016 | Mascots | A.J. Blumquist |
| 2016 | Angie Tribeca | Bonnie |
| 2016 | Chelsea | Self |
| 2016 | Un futuro muy presente | Wiz |
| 2016 | Imperfections | Barry |
| 2016 | Bad Internet | |
| 2016 | Vegan: Everyday Stories | Himself |
| 2016 | Ed Ruscha: Buildings and Words | Self |
| 2016 | Party Girl | Philip |
| 2015 | Better Call Saul | Clifford Main |
| 2015 | Grace y Frankie | Mark |
| 2015 | Your Family or Mine | Gil |
| 2015 | Clint Howard Reboots Pippi Longstocking with Milla Jovovich and Fred Willard | Ed |
| 2014 | Siempre estaré contigo | Uncle Roger |
| 2014 | Armed Response | Officer Krupke |
| 2014 | Wish Wizard | Wish Wizard |
| 2013 | El gran combate de Muhammad Ali | Justice Harry Blackmun |
| 2013 | Betas | Murch |
| 2013 | The Arrested Development Documentary Project | Self |
| 2013 | How to Succeed at Birth | Dr. Finch |
| 2013 | Beverly Hills Pawn | Self |
| 2012 | Common Law | Dr. Van Waals |
| 2012 | Little Women Big Cars | Mr. Hughes |
| 2011 | Dime con cuántos | Mr. Darling |
| 2011 | Finales felices | Ed Begley Jr. |
| 2011 | Portlandia | Priest |
| 2011 | Portlandia | Dr Ravich |
| 2011 | Portlandia | Cafe Owner |
| 2011 | Adventures in Plymptoons! | Himself |
| 2010 | Historias Corrientes | William (voice) |
| 2010 | Rizzoli & Isles | Dr. T. Pike |
| 2010 | Póquer de reinas | Yogi |
| 2010 | $#*! My Dad Says | Terry |
| 2010 | The Penthouse | Nicholas |
| 2010 | What is the Electric Car? | Himself |
| 2009 | Modern Family | Jerry |
| 2009 | Si la cosa funciona | John |
| 2009 | Big Time Rush | Self |
| 2009 | Party Down | Bruce Nesbitt |
| 2009 | The Jay Leno Show | Self |
| 2009 | Secreto inconfesable | Reverend Vernon |
| 2009 | Georgia O'Keeffe | Dr. Lee Steiglita |
| 2009 | Tripping Forward | James |
| 2008 | Superfumados | Robert |
| 2008 | Zack y Cody: Todos a bordo | Mayor Ragnar / Ragnar I |
| 2008 | Vamos a la Luna | Poopchev (voice) |
| 2008 | Recuento | David Boies |
| 2008 | Childrens Hospital | Senator Throman |
| 2008 | Buscando a Amanda | Self |
| 2008 | Gary Unmarried | Walter Krandall |
| 2008 | Going To Whatstock? | |
| 2008 | Easy to Assemble | |
| 2007 | Reglas de compromiso | Reverend Todd |
| 2007 | Tim and Eric Awesome Show, Great Job! | Self |
| 2007 | Tim and Eric Awesome Show, Great Job! | Self (uncredited) |
| 2007 | One Long Night | Joel |
| 2007 | Hard Four | Governor Begley |
| 2007 | Living With Ed | Self |
| 2007 | Back to the Grind | |
| 2006 | Hannah Montana | Woody |
| 2006 | ¿Quién mató al coche eléctrico? | Self |
| 2006 | Nominados | Sandy Lane |
| 2006 | The New Adventures of Old Christine | Pastor Ed |
| 2006 | Una familia casi perfecta | Mr. Manoire |
| 2006 | Amor accidental | Leonard |
| 2006 | Pittsburgh | Self |
| 2005 | The Office | Erin's Biological Father |
| 2005 | Back By Midnight | Robert Wade |
| 2005 | Desolation Sound | Doug Shepard |
| 2005 | Spirit Bear: The Simon Jackson Story | Frank Perdue |
| 2004 | Veronica Mars | Cyrus O'Dell |
| 2004 | Boston Legal | Clifford Cabot |
| 2004 | Hospital Kingdom | Dr. Jesse James |
| 2004 | Kingdom Hospital | Dr. Jesse James |
| 2004 | Hair High (Tupé) | Rev. Sidney Cheddar (voice) |
| 2004 | Stateside | Father Concoff |
| 2004 | Jack & Bobby | |
| 2004 | Raising Genius | Dr. Curly Weeks |
| 2004 | Life on Liberty Street | Richard Spencer |
| 2004 | Center of the Universe | |
| 2003 | Arrested Development | Stan Sitwell |
| 2003 | Un poderoso viento | Lars Olfen |
| 2003 | Las Vegas | |
| 2003 | Real Time with Bill Maher | Self |
| 2003 | American party | Oscar Earnest |
| 2003 | Net Games | John Fielding |
| 2003 | War Stories | Ed O'Brian |
| 2002 | CSI: Miami | Scott O'Shay |
| 2002 | Monk | Dr. Malcolm Nash |
| 2002 | Desenfocado | Mel Rosen |
| 2002 | Bug | The Dept. of Health Inspector / 'The Hand' |
| 2002 | Wednesday 9:30 (8:30 Central) | Paul Weffler |
| 2001 | Scrubs | Dr. Bailey |
| 2001 | A dos metros bajo tierra | Hiram Gunderson |
| 2001 | Así es el amor | Frank Landers |
| 2001 | Diario de un adicto al sexo | Dr. Aaron Spencer |
| 2001 | Con un chucho en los talones | Ward Van Dusen |
| 2001 | Antrax | Brent Krawford |
| 2000 | Larry David | Dr. Winocur / Dr. Winokur |
| 2000 | Very important perros | Hotel Manager |
| 2000 | Descarga estática | Donald Todd (voice) |
| 2000 | Titus | |
| 2000 | Homicide: The Movie | Victor Ehrlich |
| 2000 | The Michael Richards Show | Imposter Vic |
| 2000 | Pigs Next Door | Bradley |
| 2000 | The Beat | |
| 1999 | Batman del futuro | Dr. Corso (voice) |
| 1999 | El ala oeste de la Casa Blanca | Seth Gillette |
| 1999 | Providence | Chuck Chance |
| 1999 | Leyes de familia | |
| 1998 | La familia Addams: La reunión | Phillip Adams |
| 1998 | Dos testigos muy peludos | Fitz-Gilbert Hamilton |
| 1998 | I'm Losing You | Zev |
| 1997 | El rey de la colina | Stephens Davies (voice) |
| 1997 | Dharma & Greg | Self |
| 1997 | El abogado | |
| 1997 | Joey, un canguro en la ciudad | Ambassador Ted Ross |
| 1997 | Hourglass | Det. Cecil Dish |
| 1997 | Ms. Bear | Greg Bradley |
| 1997 | Alone | Gerald |
| 1997 | Meego | |
| 1997 | Not in This Town | Henry Whitcomb |
| 1996 | Sabrina, cosas de brujas | Mr. Rothwell |
| 1996 | Cosas De Marcianos | Jeff |
| 1996 | 7 en el paraiso | Hank Hastings |
| 1996 | Proyecto Alf | Dr. Warner |
| 1996 | Menudo Santa Claus | Ebner Frost |
| 1996 | Los reyes de la noche | Rod Perth |
| 1995 | Batman Forever | Fred Stickley (uncredited) |
| 1995 | Star Trek: Voyager | Henry Starling |
| 1995 | The Drew Carey Show | Dr. Chris Vanderkamp |
| 1995 | Shining Time Station: Once Upon a Time | Ned Kincaid |
| 1995 | Rave Review | Bert |
| 1994 | El Guardián de las Palabras | Alan Tyler |
| 1994 | Un poeta entre reclutas | Jack Markin |
| 1994 | Los codiciosos | Carl |
| 1994 | Tocados por un ángel | Chris Carpenter |
| 1994 | Ellas también se deprimen | Rupert |
| 1994 | El Autobús Mágico | (voice) |
| 1994 | Ellen | Ed Begley Jr. |
| 1994 | The Shaggy Dog | Ron Daniels |
| 1994 | The Crazysitter | Paul Van Arsdale |
| 1994 | Testigo en la sombra (Sensation) | Earl Strauber |
| 1994 | Storybook | Pouch |
| 1994 | II Guerra Mundial: Cuando los leones rugieron | Harry Hopkins |
| 1994 | Incident at Deception Ridge | Jack Davis |
| 1994 | Winnetka Road | Glenn Barker |
| 1993 | Dave's World | Watterson |
| 1993 | Partners | "Grave Squad" Lawyer |
| 1993 | Intimate Portrait | Self - Narrator (voice) |
| 1993 | Cooperstown | Dave Cormeer |
| 1992 | Batman: La Serie Animada | Germs (voice) |
| 1992 | Batman: La Serie Animada | Charlie Collins (voice) |
| 1992 | The Tonight Show with Jay Leno | |
| 1992 | The Larry Sanders Show | Ed Begley Jr. |
| 1992 | Caballo negro | Jack Mills |
| 1992 | La novia del candidato | Chapman Snow |
| 1992 | Earth and the American Dream | Reader (voice) |
| 1992 | In the Line of Duty: Siege at Marion | Lt. Fred House |
| 1992 | Mickey's Audition | Assistant Director #1 |
| 1992 | Exclusive | Allen |
| 1992 | Cruise Control | |
| 1992 | Mastergate | Steward Butler |
| 1992 | Shelley Duvall's Bedtime Stories | Narrator (Voice) |
| 1991 | La dama de los cuentos | Otis |
| 1991 | Chance of a Lifetime | Darrel |
| 1990 | Estos terrícolas están locos | Richard P. Applegate |
| 1990 | The Great Los Angeles Earthquake | Jerry Soloway |
| 1990 | Not a Penny More, Not a Penny Less | Stephen Bradley |
| 1990 | Parenthood | |
| 1990 | In the Best Interest of the Child | Howard Feldon |
| 1989 | Los Simpson | Ed Begley Jr. (voice) |
| 1989 | Historias de la cripta | Judd Campbell |
| 1989 | Vida y amores de una diablesa | Bob Patchett |
| 1989 | Escenas de la lucha de sexos en Beverly Hills | Peter |
| 1989 | The Absent-Minded Professor: Trading Places | Dr. Jack Brooker |
| 1988 | Roseanne | |
| 1988 | El turista accidental | Charles Leary |
| 1988 | LIVE with Kelly and Mark | |
| 1988 | Spies, Lies & Naked Thighs | Alan |
| 1987 | Amazonas en la luna | Griffin |
| 1987 | Vacaciones en Roma | Leonard Lupo |
| 1987 | Rip Van Winkle | Brom Dutcher |
| 1987 | The Incredible Ida Early | Paul Sutton |
| 1986 | Doctor Duck's Super Secret All-Purpose Sauce | Self |
| 1986 | Amy Grant: Headin' Home for the Holidays | Self |
| 1985 | Transylvania 6-5000 | Gil Turner |
| 1985 | Tall Tales & Legends | Ichabod Crane |
| 1985 | The Legend of Sleepy Hollow | Ichabod Crane |
| 1985 | The Pound Puppies | Arnold (voice) |
| 1984 | This Is Spinal Tap | John 'Stumpy' Pepys |
| 1984 | Calles de fuego | Ben Gunn |
| 1984 | Protocolo | Hassler |
| 1984 | Voyager from the Unknown | Wilbur Wright |
| 1983 | Volverse loco | Colin Beverly |
| 1983 | Still the Beaver | Whitey |
| 1983 | An Uncommon Love | Matt Randolph |
| 1982 | Oficial y Caballero | Altitude Chamber Instructor |
| 1982 | El beso de la pantera | Joe Creigh |
| 1982 | ¿Y si nos comemos a Raúl? | Hippie |
| 1982 | St. Elsewhere | Victor Ehrlich |
| 1982 | Voyagers | |
| 1982 | Los locos del bisturí | The Flashback - Young Simon's Father |
| 1982 | Cuentos de las estrellas | Wilhelm Grimm |
| 1982 | Cuentos de las estrellas | Brom Dutcher |
| 1982 | Rascals and Robbers: The Secret Adventures of Tom Sawyer and Huck Finn | Jeb |
| 1982 | Not Just Another Affair | Warren Krantz |
| 1982 | Tales of the Apple Dumpling Gang | Amos Tucker |
| 1981 | La primera lección | Jack Travis |
| 1981 | Aquí, un amigo | Lieutenant #1 |
| 1979 | Hardcore: Un mundo oculto | Soldier |
| 1979 | Aeropuerto 79. Concorde | Rescuer #1 |
| 1979 | Elvis | D.J. Fontana |
| 1979 | Los suegros | Barry Lutz |
| 1979 | Tales of the Unexpected | George Princey |
| 1979 | Hot Rod | Clay |
| 1979 | A Shining Season | John Haaland |
| 1979 | Amateur Night at the Dixie Bar and Grill | Moss Tillis |
| 1978 | Galáctica: Estrella de combate | Ensign Greenbean |
| 1978 | Galáctica: Estrella de combate | Flight Sergeant Greenbean |
| 1978 | Galáctica, el universo en guerra | Flight Sgt. Greenbean |
| 1978 | Blue Collar (Sed de Poder) | Bobby Joe |
| 1978 | Camino del sur | Mr. Haber |
| 1978 | Soy único | Arnold - The King |
| 1978 | Record City | Pokey |
| 1977 | Muerte de noche | Frank |
| 1977 | Citizens Band | The Priest |
| 1976 | Los ángeles de Charlie | Kenny Daniels |
| 1976 | Quincy, M.E. | |
| 1976 | Quincy, M.E. | David Phillips |
| 1976 | Quincy, M.E. | Kit Sawyer |
| 1976 | El gran Guardaespaldas | Lester |
| 1976 | Laverne & Shirley | |
| 1975 | La mujer maravilla | Harold Farnum |
| 1975 | Saturday Night Live | Self - Host |
| 1975 | Starsky y Hutch | Harv Schwab |
| 1975 | Baretta | |
| 1974 | Happy Days | |
| 1974 | Gallos de pelea | Tom Peeples |
| 1973 | Amigos hasta la muerte | Pook |
| 1973 | Las locas aventuras de super papá | The Gang |
| 1973 | Un ángel para Charlie | Derwood Moseby |
| 1973 | Roll Out | |
| 1972 | M*A*S*H | |
| 1972 | Te veo y no te veo | Druffle |
| 1972 | Maude | Young Man |
| 1972 | Evil Roy Slade | Husband Making Fun of Stool (uncredited) |
| 1972 | Family Flight | Driver |
| 1971 | Colombo | Officer Stein |
| 1971 | Colombo | Irving Krutch |
| 1971 | Owen Marshall: Counselor at Law | Howard Dubberly |
| 1970 | Nanny and the Professor | |
| 1970 | The Immortal | |
| 1970 | Mir hat es immer Spaß gemacht | Bellhop |
| 1969 | Mi cerebro es electrónico | Student (uncredited) |
| 1969 | Room 222 | |
| 1969 | The Lottery | Jack Watson |
| 1968 | Área 12 | Bud |
| 1967 | Ironside | |
| 1967 | Mannix | |
| 1965 | The F.B.I. | Youngblood |
| 1960 | Insight | Father John |
| 1952 | Today | Self |
| 1948 | Macy's Thanksgiving Day Parade | Self |
