| 2024 | Tolkien – Die wahre Geschichte der Ringe | Self - Actor (archive footage) | ★ 7.0 |
| 2023 | Time Bomb Y2K | Self (archive voice) | ★ 5.8 |
| 2022 | 765874: Memory Wall | Spock (Archival Footage & Face) | ★ 0.0 |
| 2021 | Emily @ the Edge of Chaos | Sigmund Freud (voice) | ★ 0.0 |
| 2018 | My Brother Vincent | Self | ★ 0.0 |
| 2016 | Star Trek: Inside the Roddenberry Vault | (archive footage) | ★ 5.7 |
| 2016 | For the Love of Spock | Self (archive footage) | ★ 7.5 |
| 2016 | 50 Years of Star Trek | Self | ★ 6.6 |
| 2014 | To Be Takei | Self | ★ 7.4 |
| 2013 | The Prime Ministers: The Pioneers | Levi Eshkol (voice) | ★ 7.5 |
| 2013 | Leonard Nimoy's Oral History | Self - Interviewee | ★ 0.0 |
| 2013 | Star Trek Into Darkness | Ambassador Spock | ★ 7.3 |
| 2012 | Hava Nagila: The Movie | Self | ★ 7.0 |
| 2012 | Zambezia - In jedem steckt ein kleiner Held! | Sekhuru (voice) | ★ 6.2 |
| 2011 | Transformers 3 | Sentinel Prime (voice) | ★ 6.2 |
| 2011 | Classic TV Bloopers Uncensored | Spock (archive footage) | ★ 0.0 |
| 2011 | Billy Blackburn's Treasure Chest: Rare Home Movies and Special Memories | | ★ 7.5 |
| 2009 | Star Trek: Evolutions | Narrator | ★ 6.9 |
| 2009 | The Evolution of the Enterprise | Self | ★ 3.5 |
| 2009 | Die fast vergessene Welt | The Zarn (voice) | ★ 5.4 |
| 2009 | Bring Back... Star Trek | Self | ★ 3.5 |
| 2009 | Star Trek | Ambassador Spock | ★ 7.4 |
| 2009 | Star Trek - Das Gipfeltreffen der Captains | Self | ★ 6.7 |
| 2007 | Die Pixar Story | Spock (archive footage) | ★ 7.6 |
| 2007 | Star Trek: Beyond the Final Frontier | Self - Host | ★ 5.4 |
| 2006 | The Once and Future Griffith Observatory | Self | ★ 0.0 |
| 2006 | William Shatner in Concert | Self | ★ 0.0 |
| 2006 | 40 Years of Star Trek | Self | ★ 4.3 |
| 2005 | Ringers: Lord of the Fans | Self | ★ 6.3 |
| 2005 | Rambam - The Story of Maimonides | Rambam (voice) | ★ 0.0 |
| 2004 | Reflections on Spock | | ★ 7.5 |
| 2004 | Kiss 'N' Tell: Romance in the 23rd Century | | ★ 6.5 |
| 2004 | Birth of a Timeless Legacy | | ★ 7.0 |
| 2002 | The Making of 'Atlantis: The Lost Empire' | Self | ★ 7.3 |
| 2001 | Mind Meld: Secrets Behind the Voyage of a Lifetime | Himself | ★ 7.2 |
| 2001 | Atlantis - Das Geheimnis der verlorenen Stadt | King Kashekim Nedakh (voice) | ★ 7.0 |
| 2000 | The Fly Papers: The Buzz on Hollywood's Scariest Insect | Narrator | ★ 0.0 |
| 2000 | Sindbad & Serena - Im Land der Nebelschleier | Akron/ Baraba/ King Chandra | ★ 4.4 |
| 2000 | Forging Greatness: Lincoln in Indiana | Narrator | ★ 0.0 |
| 1999 | The Story of Computer Graphics | Narrator | ★ 0.0 |
| 1999 | Y2K Family Survival Guide | Self - Host / Narrator | ★ 4.0 |
| 1999 | Rashi: A Light After The Dark Ages | Rashi (voice) | ★ 0.0 |
| 1998 | A Life Apart: Hasidism in America | Narrator | ★ 4.5 |
| 1998 | Sir Arthur Conan Doyle’s Lost World | Angus McArdle | ★ 6.0 |
| 1998 | Geklonte Zukunft | Mustapha Mond | ★ 5.5 |
| 1998 | Armageddon: Target Earth | Host | ★ 0.0 |
| 1997 | Trekkies | Self | ★ 6.3 |
| 1997 | Die Bibel - David | Samuel | ★ 6.6 |
| 1997 | The Great Pyramids | Narrator (voice) | ★ 0.0 |
| 1997 | The Harryhausen Chronicles | Self - Narrator (voice) | ★ 6.5 |
| 1996 | Mystical World of Ancient Greece | Narrator (voice) | ★ 0.0 |
| 1996 | Star Trek - 30 Jahre und darüber hinaus | Self | ★ 5.8 |
| 1996 | Star Trek Story | Self | ★ 0.8 |
| 1996 | Jellies & Other Ocean Drifters | Narrator | ★ 0.0 |
| 1995 | Mysterious Spirits of the Mayans | Narrator (voice) | ★ 0.0 |
| 1995 | Star Trek: The Next Generation - Unification | Spock (archive footage) | ★ 6.0 |
| 1995 | The New Explorers: The Science of Star Trek | Self | ★ 4.2 |
| 1995 | Bonanza - Angriff auf die Ponderosa | Frank James | ★ 6.7 |
| 1995 | William Shatner's Star Trek Memories | Self | ★ 4.3 |
| 1994 | Science Fiction: A Journey Into the Unknown | | ★ 0.0 |
| 1994 | The Making of 'The Pagemaster' | Self (archive footage) | ★ 10.0 |
| 1994 | William Shatner: Captain's Log | Self | ★ 0.0 |
| 1994 | Star Trek: A Captain's Log | Himself | ★ 5.5 |
| 1994 | Der Pagemaster - Richies fantastische Reise | Dr. Jekyll / Mr. Hyde (voice) | ★ 6.4 |
| 1994 | Destiny in Space | Narrator (voice) | ★ 7.2 |
| 1994 | Ancient Mysteries: Bigfoot | Host | ★ 0.0 |
| 1993 | Der große Halloween Zauber | Mr. Moundshroud (voice) | ★ 6.6 |
| 1992 | Titanica | narrator | ★ 5.9 |
| 1991 | Star Trek VI - Das unentdeckte Land | Captain Spock | ★ 7.0 |
| 1991 | 25 Jahre Star Trek | Self - Host | ★ 5.7 |
| 1991 | Never Forget | Mel Mermelstein | ★ 5.0 |
| 1989 | Star Trek V - Am Rande des Universums | Captain Spock | ★ 5.7 |
| 1988 | Raumschiff Enterprise - Von einem Jahrhundert in das Nächste | Self | ★ 2.6 |
| 1986 | Star Trek IV - Zurück in die Gegenwart | Spock | ★ 7.1 |
| 1986 | Transformers - Der Kampf um Cybertron | Galvatron (voice) | ★ 7.1 |
| 1986 | Aladdin and His Wonderful Lamp | The Evil Moroccan Magician | ★ 5.8 |
| 1986 | Super Duper Bloopers | Self | ★ 6.0 |
| 1985 | Hollywood's Funniest All-Star Bloopers | Self (archive footage) | ★ 0.0 |
| 1985 | Planets of the Sun | Narrator | ★ 0.0 |
| 1984 | Lights: The Miracle of Chanukah | Greek Nobleman | ★ 0.0 |
| 1984 | Star Trek III - Auf der Suche nach Mr. Spock | Captain Spock / Elevator Voice | ★ 6.6 |
| 1983 | Star Trek - Wie alles begann | Host | ★ 3.6 |
| 1982 | Star Trek II - Der Zorn des Khan | Captain Spock | ★ 7.5 |
| 1982 | Golda Meir | Morris Meyerson | ★ 8.1 |
| 1982 | Night of 100 Stars | Self | ★ 6.5 |
| 1981 | Vincent | Theo van Gogh | ★ 9.0 |
| 1980 | Seizure: The Story of Kathy Morris | Dr. Richard Connought | ★ 6.0 |
| 1979 | Star Trek - Der Film | Mr. Spock | ★ 6.5 |
| 1978 | Die Körperfresser kommen | Dr. David Kibner | ★ 7.2 |
| 1975 | The Star Trek Dream | Self | ★ 1.0 |
| 1975 | Mitzi & 100 Guys | Self | ★ 0.0 |
| 1975 | The Missing Are Deadly | | ★ 5.0 |
| 1974 | Rex Harrison Presents Stories of Love | Mick | ★ 0.0 |
| 1973 | Im letzten Moment | Mitch | ★ 7.0 |
| 1973 | Die tödliche Vision | Tom Kovack | ★ 5.0 |
| 1971 | Catlow – Leben ums Verrecken | Miller | ★ 5.1 |
| 1971 | Einsatz im Pazifik | Comdr. Phil Kettenring | ★ 3.0 |
| Symphony to the Planets: A Star to Call Home | Narrator | ★ 0.0 |
| Symphony to the Planets: Mysteries Beyond Our Reach | Narrator | ★ 0.0 |
| Leonard Nimoy Demonstrates the Magnavision Videodisc Player | Self | ★ 6.0 |
| 1967 | Valley of Mystery | Spence Atherton | ★ 5.0 |
| 1966 | Star Trek: The Menagerie | Mr. Spock | ★ 0.0 |
| 1966 | Deathwatch | Jules LaFranc | ★ 4.7 |
| 1965 | Star Trek: The Cage | Spock | ★ 5.2 |
| 1963 | Der Balkon | Roger | ★ 5.2 |
| 1958 | The Brain Eaters | Professor Cole | ★ 4.8 |
| 1958 | Des Satans Satellit | Narab | ★ 4.5 |
| 1954 | Formicula | Army Sergeant | ★ 6.8 |
| 1953 | Old Overland Trail | Chief Black Hawk | ★ 6.0 |
| 1952 | Zombies of the Stratosphere | Narab | ★ 4.8 |
| 1952 | Francis Goes to West Point | Football Player | ★ 5.8 |
| 1952 | Kid Monk Baroni | Paul 'Monk' Baroni | ★ 6.2 |
| 1951 | Rhubarb | Young Baseball Player (uncredited) | ★ 5.5 |
| 1951 | Queen for a Day | Chief | ★ 6.0 |
