- Piece by Piece
2024 Spock (voice) (archive sound) (uncredited)
- Emily @ the Edge of Chaos
2021 Sigmund Freud (voice)
- Star Trek: Inside the Roddenberry Vault
2016 (archive footage)
- Star Trek Beyond
2016 In Memory Of
- Star Trek Into Darkness
2013 Ambassador Spock
- The Prime Ministers: The Pioneers
2013 Levi Eshkol (voice)
- Zambezia
2012 Sekhuru (voice)
- Classic TV Bloopers Uncensored
2011 Spock (archive footage)
- Transformers: Dark of the Moon
2011 Sentinel Prime (voice)
- Star Trek
2009 Ambassador Spock
- Star Trek: Evolutions
2009 Narrator
- Land of the Lost
2009 The Zarn (voice)
- The Pixar Story
2007 Spock (archive footage)
- Rambam - The Story of Maimonides
2005 Rambam (voice)
- el moro
2004 Music
- Atlantis: The Lost Empire
2001 Atlantean King (voice)
- Sinbad: Beyond the Veil of Mists
2000 Akron/ Baraba/ King Chandra
- Forging Greatness: Lincoln in Indiana
2000 Narrator
- The Story of Computer Graphics
1999 Narrator
- Rashi: A Light After The Dark Ages
1999 Rashi (voice)
- The Lost World
1998 Angus McArdle
- A Life Apart: Hasidism in America
1998 Narrator
- Brave New World
1998 Mustapha Mond
- Armageddon: Target Earth
1998 Host
- David
1997 Samuel
- The Great Pyramids
1997 Narrator (voice)
- Jellies & Other Ocean Drifters
1996 Narrator
- Mystical World of Ancient Greece
1996 Narrator (voice)
- Bonanza: Under Attack
1995 Frank James
- Symphony to the Planets: Mysteries Beyond Our Reach
1995 Narrator
- Mysterious Spirits of the Mayans
1995 Narrator (voice)
- Virtuosity
1995 Spock (archive footage) (uncredited)
- The Pagemaster
1994 Dr. Jekyll / Mr. Hyde (voice)
- Destiny in Space
1994 Narrator (voice)
- Ancient Mysteries: Bigfoot
1994 Host
- Holy Matrimony
1994 Director
- The Halloween Tree
1993 Mr. Moundshroud (voice)
- Symphony to the Planets: A Star to Call Home
1993 Narrator
- Star Trek VI: The Undiscovered Country
1991 Story
- Never Forget
1991 Executive Producer
- Funny About Love
1990 Director
- Star Trek V: The Final Frontier
1989 Captain Spock
- The Good Mother
1988 Director
- 3 Men and a Baby
1987 Director
- Star Trek IV: The Voyage Home
1986 Director
- The Transformers: The Movie
1986 Galvatron (voice)
- Aladdin and His Wonderful Lamp
1986 The Evil Moroccan Magician
- Planets of the Sun
1985 Narrator
- Star Trek III: The Search for Spock
1984 Director
- Lights
1984 Greek Nobleman
- Leonard Nimoy: Star Trek Memories
1983 Host
- Star Trek II: The Wrath of Khan
1982 Captain Spock
- A Woman Called Golda
1982 Morris Meyerson
- Vincent
1981 Director
- Seizure: The Story of Kathy Morris
1980 Dr. Richard Connought
- Star Trek: The Motion Picture
1979 Spock
- Invasion of the Body Snatchers
1978 Dr. David Kibner
- Baffled!
1973 Tom Kovack
- The Alpha Caper
1973 Mitch
- Catlow
1971 Miller
- Assault on the Wayne
1971 Comdr. Phil Kettenring
- Mission: Impossible - The Falcon
1970 Paris
- Mission: Impossible - The Controllers
1969 Paris
- Valley of Mystery
1967 Spence Atherton
- Space Seed
1967 Mr. Spock
- Deathwatch
1966 Producer
- Star Trek: The Cage
1965 Spock
- The Balcony
1963 Roger
- The Brain Eaters
1958 Professor Cole
- Satan's Satellites
1958 Narab
- Them!
1954 Army Sergeant
- Old Overland Trail
1953 Chief Black Hawk
- Kid Monk Baroni
1952 Paul 'Monk' Baroni
- Francis Goes to West Point
1952 Football Player (uncredited)
- Zombies of the Stratosphere
1952 Narab
- Rhubarb
1951 Young Baseball Player (uncredited)
- Queen for a Day
1951 Chief
