| — | Inner Space | Narrator |
| — | Aliens Among Us | Himself |
| 2024 | The UnXplained: Mysteries of the Universe | Self - Presenter |
| 2024 | The D-Con Chamber | Self |
| — | Keeper of the Cup | |
| 2023 | Stars on Mars | Self - Host |
| 2023 | Dick Van Dyke: 98 Years of Magic | Self |
| 2023 | The UnXplained Special Presentation | Self - Presenter |
| 2023 | Full Moon's Roadshow Revisited | Self (archive footage) |
| 2022 | Piers Morgan Uncensored | Self |
| 2022 | Sunday with Laura Kuenssberg | Self |
| 2021 | WWE Hall Of Fame 2020 | Himself |
| 2019 | WWE Backstage | William Shatner |
| 2016 | When Elephants Were Young | Narrator |
| 2016 | The Colorful Montreal Expos | Narrator (voice) |
| 2016 | Unlocked: The World of Games, Revealed | Self |
| 2014 | A Star Is Drawn: Rob Simone's Look Inside Comic-Con | Self |
| 2013 | The Captains: Still Kicking | Himself |
| 2012 | Horrorween | Himself |
| 2012 | Gotham Comedy Live | Self - Host |
| 2011 | William Shatner Sings O Canada | Himself |
| 2011 | Life Beyond Trek: William Shatner | |
| 2011 | Billy Blackburn's Treasure Chest: Rare Home Movies and Special Memories | |
| 2010 | The Fran Drescher Show | |
| 2010 | Charles Beaumont: The Short Life of Twilight Zone's Magic Man | Self |
| 2010 | Aftermath with William Shatner | Self - Host |
| 2008 | Shatner's Raw Nerve | Self - Host |
| 2008 | Million Dollar Password | |
| 2008 | Extraordinary Animals | |
| 2006 | Show Me the Money | |
| 2006 | William Shatner in Concert | Self |
| 2005 | Last Laugh '05 | Lucifer |
| 2005 | Invasion Iowa | Col. Shane Yeager |
| 2004 | Sci-Fi Visionaries | |
| 2004 | Kiss 'N' Tell: Romance in the 23rd Century | |
| 2004 | Birth of a Timeless Legacy | |
| 2004 | Last Laugh '04 | Self |
| 2004 | The Rose Parade: A Pageant for the Ages | Self |
| 2003 | Chilly Beach | The President |
| 2003 | Christmas in Hollywood | Self (archive footage) |
| 2003 | Comedy Central Roasts | Self |
| 2002 | Star Wars vs. Star Trek: The Rivalry Continues | Self |
| 2002 | Christopher Plummer: A Man For All Stages | Self |
| 2002 | After They Were Famous | Self |
| 2002 | NBC 75th Anniversary Special | Self |
| 2002 | Cosmic Odyssey | |
| 2002 | One-Hit Wonders | |
| 2001 | Festival in Cannes | Self |
| 2001 | Remembering 'The Intruder' | Himself |
| 2001 | NASA: A Space Odyssey Vol. 1 | Narrator |
| 2001 | NASA: A Space Odyssey Vol. 2 | Narrator |
| 2001 | NASA: A Space Odyssey Vol. 3 | Narrator |
| 2001 | Gahan Wilson's The Kid | Professor |
| 1998 | Hollywood Ghost Stories | Himself |
| 1997 | Space Cadets | Self |
| 1994 | UFO Cover-Up Live with Larry King | Self |
| 1994 | Science Fiction: A Journey Into the Unknown | |
| 1994 | William Shatner: Captain's Log | Self |
| 1994 | Janek: The Silent Betrayal | Bodosh |
| 1993 | Your Guide to Star Trek: Generations | Self |
| 1990 | Amazon: Land of the Flooded Forest | Narrator |
| 1989 | Hollywood on Horses | Self |
| 1987 | Seasons | Narrator (voice) |
| 1986 | The Canadian Conspiracy | |
| 1986 | Super Duper Bloopers | Himself |
| 1985 | North Beach and Rawhide | Rawhide MacGregor |
| 1983 | Prime Times | Self |
| 1982 | Night of 100 Stars | Self |
| 1980 | Hypnosis and Beyond | Himself |
| 1978 | The Crash of Flight 401 | Carl Tobias |
| 1978 | The Third Walker | Munro Maclean |
| 1977 | The Oregon Trail | |
| 1976 | Microworld | |
| 1976 | A Whale of a Tale | Jack Fredericks |
| 1976 | Perilous Voyage | Steve Monroe |
| 1975 | The Star Trek Dream | Self |
| 1975 | Barbary Coast | Jeff Cable |
| 1974 | Amy Prentiss | |
| 1974 | Kodiak | Buzz Howard |
| 1974 | Indict and Convict | Sam Belden |
| 1974 | Flick Flack | Host |
| 1973 | Incident on a Dark Street | Deaver G. Wallace |
| 1969 | Shadow Game | |
| 1967 | Off to See the Wizard | Alexander the Great |
| 1966 | CBS Playhouse | |
| 1965 | For the People | David Koster |
| 1964 | The Reporter | Horner |
| 1963 | Channing | Tom Ericson |
| 1963 | Arrest and Trial | Larry Tavener |
| 1960 | Outlaws | |
| 1960 | Insight | Mike Burnett |
| 1960 | Police Surgeon | Joe Flatt |
| 1959 | City Out of Time | Narrator (voice) |
| 1958 | The Christmas Tree | Philo |
| 1957 | The Defender (Studio One) | Kenneth Preston |
| 1953 | Space Command | |
| 1952 | Omnibus | |
| 1951 | The Butler's Night Off | |
| 1948 | Lamp Unto My Feet | |
| 1947 | Kraft Television Theatre | |
| — | Click | |
| 2018 | The Steam Engines of Oz | Oscar "Oz" Diggs (voice) |
| 2017 | Not a War Story | |
| 2016 | They Came from the Swamp: The Films of William Grefé | Himself (voice only) |
| 2016 | Star Trek: Inside the Roddenberry Vault | Self |
| 2015 | WWE Breaking Ground | Himself (narrator) |
| 2013 | The Captains Close Up | Self |
| 2008 | Everest | Norman Kelly |
| 2007 | WWE: The Best of Raw 15th Anniversary | Himself |
| 2007 | Mars Rising | Narrator (voice) |
| 2006 | The Henry Rollins Show | |
| 2006 | 40 Years of Star Trek | Self |
| 2005 | Lil' Pimp | Tony Gold (voice) |
| 2005 | The Reichen Show | Self - Guest |
| 2004 | The Tony Danza Show | Self - Guest |
| 2004 | Best Week Ever | |
| 2001 | Bob Patterson | Warren Wellman |
| 2001 | Good Day Live | Self |
| 1999 | A Twist in the Tale | |
| 1997 | Perversions of Science | Admiral Kornfeld |
| 1996 | Star Trek: 30 Years and Beyond | Self |
| 1995 | William Shatner's Star Trek Memories | Host |
| 1994 | Star Trek: A Captain's Log | Himself/Host |
| 1993 | Family of strangers | Earl |
| 1991 | Star Trek: 25th Anniversary Special | Self - Host |
| 1988 | The Star Trek Saga: From One Generation to the Next | Self |
| 1988 | Broken Angel | Chuck Coburn |
| 1985 | Night of 100 Stars II | Self |
| 1982 | Madame's Place | Self |
| 1978 | Little Women | Friedrich Bhaer |
| 1978 | 더 배스터드 | Paul Revere |
| 1976 | Battle of the Network Stars | |
| 1972 | The Sixth Sense | |
| 1971 | Vanished | Dave Paulick |
| 1968 | Alexander The Great | Alexander |
| 1963 | Bob Hope Presents the Chrysler Theatre | |
| 1963 | Miss USA | Self - Host |
| 1961 | The Defenders | Assistant District Attorney Earl Rhodes |
| 1961 | The Mike Douglas Show | Self |
| 1961 | The Dick Powell Show | Eric Tegman |
| 1958 | Naked City | Maung Tun |
| 1957 | Oedipus Rex | Chorus |
| 1957 | Suspicion | Eli |
| 1951 | Hallmark Hall of Fame | Philo |
| — | Have I Got a Bit More News for You | Self - Presenter |
| 2024 | 우주의 영웅들: 위대한 혁명 | Keldor (voice) |
| — | The Atomic Bomb Collection | Narrator |
| 2024 | 콜 미 빌 | Self |
| 2022 | A Tear in the Sky | |
| 2022 | 파이어하트 | Mayor of New York (voice) |
| 2021 | Shatner in Space | Self |
| 2021 | 2021 and Done with Snoop Dogg & Kevin Hart | Self |
| 2021 | Expedition Unknown: Shark Trek | Self |
| 2021 | 시니어 모멘트 | Victor Martin |
| 2020 | Creators: The Past | Lord Oghma |
| 2019 | 더 마스크드 싱어 | Knight |
| 2019 | 더 마스크드 싱어 | Knight (archive footage) |
| 2019 | The Kelly Clarkson Show | Self |
| 2019 | To Your Last Death | The Overseer (voice) |
| 2019 | My Life Is Murder | Barton Wallwork |
| 2019 | The UnXplained | Self - Host |
| 2019 | Devil's Revenge | Hayes |
| 2018 | Star Trek: Short Treks | Capt. James T. Kirk (voice) (archive footage) |
| 2018 | 외계인이 숙제를 먹어 버렸어요 | Phillogenus esk Piemondum (Phil) (voice) |
| 2017 | Heroes Manufactured | Self (archive footage) |
| 2017 | 배트맨 vs 투페이스 | Harvey Dent / Two-Face (voice) |
| 2017 | 인디언 디텍티브 | David Marlowe |
| 2017 | The Truth Is in the Stars | Self |
| 2016 | 샨나라 연대기 | Captain Kirk (archive footage) |
| 2016 | 스폭에 대한 사랑으로 | Self |
| 2016 | Private Eyes | Norm Glinski |
| 2016 | A Sunday Horse | Kenneth Roubidoux |
| 2016 | 레인지 15 | Richard Chindler |
| 2016 | Better Late Than Never | Self |
| 2016 | Koko: The Gorilla Who Talks to People | Self |
| 2015 | 어 크리스마스 호러 스토리 | Dangerous Dan |
| 2015 | Just in Time for Christmas | Coachman Nick |
| 2015 | Being Canadian | Self |
| 2015 | 베이비, 베이비, 베이비 | Actor |
| 2015 | StarTalk with Neil deGrasse Tyson | Self |
| 2015 | Tom Felton Meets the Superfans | Self |
| 2014 | To Be Takei | Self |
| 2014 | Last Week Tonight with John Oliver | Self |
| 2014 | 다리 위의 혼돈 | Self |
| 2014 | The Real History of Science Fiction | Self |
| 2013 | 슈퍼노바 지구 탈출기 | General Shanker (voice) |
| 2013 | Kelly Clarkson's Cautionary Christmas Music Tale | Self |
| 2012 | Get a Life! | Himself |
| 2012 | Comic Book Men | Self |
| 2011 | 캡틴즈 | Himself |
| 2011 | 로저 코만의 세계 | Self - Actor |
| 2011 | The Space Shuttle | Narrator |
| 2011 | Classic TV Bloopers Uncensored | Himself |
| 2011 | Comedy Central Roast of Charlie Sheen | Self - Roaster |
| 2010 | Quantum Quest: A Cassini Space Odyssey | Core (voice) |
| 2010 | 마이 리틀 포니 : 우정은 마법 | Grand Pear (voice) |
| 2010 | 헤이븐 | Croatoan |
| 2010 | 루키 블루 | Henry McLeod |
| 2010 | Hot in Cleveland | Sally |
| 2010 | $#*! My Dad Says | Dr. Edison Milford Goodson III |
| 2010 | The Talk | |
| 2010 | Weird or What? | |
| 2009 | 팬보이즈 | Himself |
| 2009 | Star Trek: The Captains' Summit | Self |
| 2009 | William Shatner's Gonzo Ballet | Himself |
| 2008 | 산타 납치작전 | Santa Claus (voice) |
| 2008 | 머독 미스터리 | Mark Twain |
| 2007 | 빅뱅 이론 | William Shatner |
| 2007 | 픽사 스토리 | James T. Kirk (archive footage) |
| 2006 | 헷지 | Ozzie (voice) |
| 2006 | 와일드 | Kazar (voice) |
| 2006 | Stalking Santa | Narrator |
| 2006 | 싸이크 | Frank O'Hara |
| 2006 | Comedy Central Roast of William Shatner | Self |
| 2005 | 미스 에이전트 2: 라스베가스 잠입사건 | Stan Fields |
| 2005 | How William Shatner Changed The World | Self - Host / Narrator (voice) |
| 2005 | Merry F#%$in' Christmas | Self |
| 2005 | 헬'S 키친 | Self |
| 2005 | The Colbert Report | |
| 2005 | The Late Late Show with Craig Ferguson | Self |
| 2004 | 피구의 제왕 | Dodgeball Chancellor |
| 2004 | 보스턴 리걸 | Denny Crane |
| 2004 | Atomic Betty | Jim |
| 2003 | 캐롤 크리스마스 | Dr. Bob / Ghost of Christmas Present |
| 2003 | Halloween: A Cut Above the Rest | Self (archive footage) (uncredited) |
| 2003 | 리얼 타임 위드 빌 마허 | Self |
| 2003 | The Ellen DeGeneres Show | Self |
| 2003 | Jimmy Kimmel Live! | |
| 2003 | Jimmy Kimmel Live! | Self |
| 2003 | Late Night with Conan O'Brien: 10th Anniversary Special | Self |
| 2002 | 쇼타임 | William Shatner |
| 2002 | 아메리칸 싸이코 2 | Robert Starkman |
| 2002 | Groom Lake | John Gossner |
| 2002 | Shoot or Be Shot! | Harvey Wilkes |
| 2002 | Spplat Attack | |
| 2001 | Falcon Down | Major Robert Carson |
| 2001 | Mind Meld: Secrets Behind the Voyage of a Lifetime | Himself |
| 2001 | Whale Shark Hunters of the Philippines | Self |
| 2001 | 오스모시스 존스 | Mayor Phlegmming (voice) |
| 2000 | 미스 에이전트 | Stan Fields |
| 2000 | Atomic Journeys: Welcome to Ground Zero | Narrator (Voice) |
| 1999 | Nukes in Space | Narrator |
| 1999 | 퓨쳐라마 | William Shatner (voice) |
| 1999 | The Late Late Show with Craig Kilborn | Self - Guest |
| 1998 | Free Enterprise | Bill |
| 1998 | 헤라클래스 | Jason of the Argonauts (voice) |
| 1998 | Saturday Night Live: The Best of Phil Hartman | James T. Kirk |
| 1998 | Land of the Free | Aidan Carvell |
| 1997 | Trekkies | Self |
| 1997 | Jefftowne | Himself |
| 1997 | 더 프랙티스 | Denny Crane |
| 1997 | The View | Self |
| 1997 | The View | Self - Guest |
| 1996 | The Prisoner of Zenda, Inc. | Michael Gatewick |
| 1996 | 데드 맨스 아일랜드 | Chase Prescott |
| 1996 | Star Trek Story | Self (archive footage) |
| 1996 | 솔로몬 가족은 외계인 | Big Giant Head |
| 1996 | E! True Hollywood Story | Self |
| 1996 | Muppets Tonight | Self |
| 1995 | Trinity and Beyond: The Atomic Bomb Movie | Narrator |
| 1994 | 스타 트렉 7: 넥서스 트렉 | Captain James T. Kirk |
| 1994 | TekWar: TekJustice | Walter H. Bascom |
| 1994 | TekWar: TekLab | Walter H. Bascom |
| 1994 | TekWar: TekLords | Walter H. Bascom |
| 1994 | 굿바이 뉴욕 굿모닝 내 사랑 2: 황금을 찾아라 | Adam Harland (uncredited) |
| 1994 | Space Ghost Coast to Coast | |
| 1994 | TekWar | Walter H. Bascom |
| 1994 | TekWar | Walter H. Bascom |
| 1993 | 원초적 무기 | General Mortars |
| 1993 | WWE Raw | |
| 1993 | WWE Raw | William Shatner |
| 1993 | Late Night with Conan O'Brien | Self - Guest |
| 1993 | seaQuest DSV | Milos Tezlof |
| 1992 | 부메랑 | Captain James Tiberius Kirk (archive footage) |
| 1992 | Eek! The Cat | Santa Claus (voice) |
| 1992 | Eek! The Cat | Commander Berzerk (voice) |
| 1992 | The Tonight Show with Jay Leno | |
| 1992 | The Larry Sanders Show | William Shatner |
| 1991 | 스타 트렉 6: 미지의 세계 | Captain James T. Kirk |
| 1991 | Voices That Care | Self - Choir Member |
| 1990 | The Fresh Prince of Bel-Air | Himself |
| 1990 | Dream On | |
| 1989 | 스타 트렉 5: 최후의 결전 | Captain James T. Kirk |
| 1989 | Rescue 911 | Host |
| 1988 | LIVE with Kelly and Mark | |
| 1986 | 스타 트렉 4: 귀환의 항로 | Admiral James T. Kirk |
| 1986 | William Shatner's Mysteries of the Way We Feel | Host |
| 1985 | Hollywood's Funniest All-Star Bloopers | Self (archive footage) |
| 1985 | The Ray Bradbury Theater | Charles Underhill |
| 1984 | 스타 트렉 3: 스팍을 찾아서 | Admiral James T. Kirk |
| 1984 | Secrets of a Married Man | Chris Jordan |
| 1982 | 스타 트렉 2: 칸의 분노 | Admiral James T. Kirk |
| 1982 | 에어플레인 2 | Cdr. Buck Murdock |
| 1982 | 어둠 속의 테러 | Gary Baylor |
| 1982 | 총알탄 사나이 | Poisoned Man |
| 1982 | T. J. Hooker | Sgt TJ Hooker |
| 1982 | Late Night with David Letterman | Self |
| 1980 | The Kidnapping of the President | Jerry O'Connor |
| 1980 | The Babysitter | Dr. Jeff Benedict |
| 1979 | 스타 트렉 | Admiral James T. Kirk |
| 1979 | Disaster on the Coastliner | Stuart Peters |
| 1978 | Land of No Return | Curt Benell |
| 1977 | 킹덤 오브 더 스파이더스 | Dr. Robert 'Rack' Hansen |
| 1977 | How the West Was Won | Captain Harrison |
| 1976 | Botschaft der Götter | Host |
| 1976 | The Tenth Level | Prof. Stephen Turner |
| 1976 | Universe | Narrator |
| 1975 | 데빌스 레인 | Mark Preston |
| 1975 | Mitzi & 100 Guys | Self |
| 1975 | Saturday Night Live | Self - Host |
| 1975 | Saturday Night Live | Self - Cameo (uncredited) |
| 1974 | 미녀 갱단 빅 배드 마마 | William J. Baxter |
| 1974 | Impulse | Matt Stone |
| 1974 | Pray for the Wildcats | Warren Summerfield |
| 1974 | 6백만불의 사나이 | Josh Lang |
| 1974 | Police Woman | |
| 1974 | Police Woman | Mark Ciprio |
| 1974 | Petrocelli | |
| 1973 | The Horror at 37,000 Feet | Paul Kovalik |
| 1973 | Go Ask Alice | Sam |
| 1973 | Pioneer Woman | John Sergeant |
| 1973 | 스타트렉 : 디 애니메이티드 시리즈 | James T. Kirk (voice) |
| 1973 | Barnaby Jones | Phil Carlyle / Fred Williams |
| 1973 | Police Story | |
| 1973 | The Magician | Ed Cassidy |
| 1972 | The People | Dr. Curtis |
| 1972 | The Hound of the Baskervilles | George Stapleton |
| 1972 | Kung Fu | |
| 1972 | The Rookies | |
| 1971 | 형사 콜롬보 | Ward Fowler |
| 1971 | 형사 콜롬보 | Fielding Chase |
| 1970 | Sole Survivor | Lt. Col. Josef Gronke |
| 1970 | The Andersonville Trial | Col. Chipman |
| 1970 | Swing Out, Sweet Land | John Adams |
| 1968 | Comanche blanco | Johnny Moon / Notah |
| 1968 | Hawaii Five-O | Sam Tolliver |
| 1968 | The Name of the Game | Peter |
| 1967 | Ironside | |
| 1967 | Ironside | Bill Parkins |
| 1967 | Ironside | Marty Jessup |
| 1967 | Mannix | |
| 1966 | 인큐버스 | Marc |
| 1966 | 스타 트렉 | James T. Kirk |
| 1966 | Mission: Impossible | Joseph Conrad |
| 1965 | The Big Valley | Brett |
| 1965 | The F.B.I. | Arthur Majors |
| 1964 | 아웃레이즈 | Preacher |
| 1964 | The Man from U.N.C.L.E. | |
| 1963 | Operation Bikini | Narrator (voice) (uncredited) |
| 1963 | The Outer Limits | Gen. Jeff Barton |
| 1963 | The Fugitive | Tony Burrell |
| 1963 | Burke's Law | Arthur Reynolds |
| 1962 | 침입자 | Adam Cramer |
| 1962 | The Tonight Show Starring Johnny Carson | Self |
| 1962 | The Virginian | Luke Milford |
| 1961 | 뉘른베르크의 재판 | Harrison Byers |
| 1961 | The Explosive Generation | Peter Gifford |
| 1961 | Dr. Kildare | Dr. Toby Cunningham |
| 1961 | Dr. Kildare | Dr. Carl Noyes |
| 1961 | The Defenders | Jim McCleery |
| 1961 | The Defenders | Charles Terranova |
| 1961 | The Defenders | Gil Rawson |
| 1961 | The Defenders | Cliff Sellers |
| 1960 | Route 66 | |
| 1960 | Thriller | Gil Thrasher |
| 1960 | Thriller | Paul Graves |
| 1959 | The Twilight Zone | Bob Wilson |
| 1959 | The Twilight Zone | Don Carter |
| 1959 | One Step Beyond | Carl Bremer |
| 1958 | The Brothers Karamazov | Alexi Karamazov |
| 1958 | A Town Has Turned to Dust | Jerry Paul |
| 1958 | 77 Sunset Strip | Paul DeVinger |
| 1958 | Naked City | Roger Barmer |
| 1955 | Alfred Hitchcock Presents | Jim Whitely |
| 1955 | Alfred Hitchcock Presents | John Crane |
| 1955 | Gunsmoke | Fred Bateman |
| 1954 | Climax! | Ben Tate |
| 1953 | 아카데미상 | James T. Kirk |
| 1948 | The Ed Sullivan Show | |
| 1948 | The Ed Sullivan Show | Robert Lomax |
| 1948 | Studio One | Dr. David Coleman |
| 1948 | Studio One | Dr. Franck |
| 1948 | Studio One | Kenneth Preston |
| 1944 | 골든 글로브상 | Self - Host |
