Robin Williams
- Once Upon a Studio
2023 Genie (voice) (archive sound)
- Robin's Wish
2020 Himself (archive footage)
- The Paley Center Salutes Law & Order: SVU
2020 (archive footage)
- Absolutely Anything
2015 Dennis the Dog (voice)
- The Angriest Man in Brooklyn
2014 Henry Altmann
- Boulevard
2014 Nolan
- Night at the Museum: Secret of the Tomb
2014 In Memory Of
- A Merry Friggin' Christmas
2014 Virgil Mitchler
- The Big Wedding
2013 Father Monaghan
- The Butler
2013 Dwight H. Eisenhower
- The Face of Love
2013 Roger Stillman
- Final Cut: Ladies and Gentlemen
2012 (archive footage)
- Persistence of Vision
2012 Himself
- Classic TV Bloopers Uncensored
2011 Mork (archive footage)
- Happy Feet Two
2011 Ramon / Lovelace (voice)
- 2Everything2Terrible2: Tokyo Drift
2010 (archive footage)
- World's Greatest Dad
2009 Lance Clayton
- Old Dogs
2009 Dan
- Robin Williams: Weapons of Self Destruction
2009 Writer
- Night at the Museum: Battle of the Smithsonian
2009 Theodore Roosevelt
- Shrink
2009 Holden
- Monkey Mischief
2009 Theodore Roosevelt
- License to Wed
2007 Reverend Frank
- August Rush
2007 Maxwell "Wizard" Wallace
- Night at the Museum
2006 Theodore Roosevelt
- RV
2006 Bob Munro
- The Night Listener
2006 Gabriel Noone
- Happy Feet
2006 Ramon / Lovelace (voice)
- Man of the Year
2006 Tom Dobbs
- JoJo: The Pop Princess
2006 Himself
- Everyone's Hero
2006 Napoleon Cross (uncredited)
- Robots
2005 Fender (voice)
- The Big White
2005 Paul Barnell
- The Final Cut
2004 Alan W. Hakman
- House of D
2004 Pappass
- The Tour Baby
2004 Himself
- Noel
2004 Charlie Boyd / The Priest
- Can't Buy Me Lunch: Another Look at The Rutles
2003 Hans Hänkie
- Insomnia
2002 Walter Finch
- Robin Williams: Live on Broadway
2002 Writer
- Death to Smoochy
2002 Rainbow Randolph
- One Hour Photo
2002 Seymour "Sy" Parrish
- A.I. Artificial Intelligence
2001 Dr. Know (voice)
- Bicentennial Man
1999 Andrew
- Jakob the Liar
1999 Jakob Heym
- Patch Adams
1998 Patch Adams
- What Dreams May Come
1998 Chris Nielsen
- Good Will Hunting
1997 Sean Maguire
- Deconstructing Harry
1997 Mel
- Flubber
1997 Professor Philip Brainard
- Fathers' Day
1997 Dale Putley
- Hamlet
1996 Osric
- The Birdcage
1996 Armand Goldman
- Jack
1996 Jack Powell
- The Secret Agent
1996 The Professor (uncredited)
- Aladdin and the King of Thieves
1996 Genie (voice)
- Nine Months
1995 Dr. Kosevich
- Jumanji
1995 Alan Parrish
- To Wong Foo, Thanks for Everything! Julie Newmar
1995 John Jacob Jingleheimer Schmidt (uncredited)
- Aladdin on Ice
1995 Genie (voice) (uncredited)
- In Search of Dr. Seuss
1994 The Father
- Being Human
1994 Hector
- Mrs. Doubtfire
1993 Producer
- Aladdin
1992 Genie / Peddler (voice)
- Toys
1992 Leslie Zevo
- FernGully: The Last Rainforest
1992 Batty Koda (voice)
- A Spinal Tap Reunion: The 25th Anniversary London Sell-Out
1992 Robin Williams
- The Fisher King
1991 Parry
- Hook
1991 Peter Banning / Peter Pan
- Dead Again
1991 Cozy Carlisle
- Shakes the Clown
1991 Mime Class Instructor
- Rabbit Ears - The Fool and the Flying Ship
1991 Narrator (voice)
- A Wish for Wings That Work
1991 Kiwi (voice) (credited as Sudy Nim)
- Cadillac Man
1990 Joey O'Brien
- Awakenings
1990 Malcolm Sayer
- The Earth Day Special
1990 Everyman
- Dead Poets Society
1989 John Keating
- Comic Relief III
1989
- Whoopi Goldberg Presents: Billy Connolly
1989 Himself (uncredited)
- Back to Neverland
1989 Robin
- The Adventures of Baron Munchausen
1988 King of the Moon
- Portrait of a White Marriage
1988 Bill Lohmer – Air Conditioning Salesman (uncredited)
- Rabbit Ears - Pecos Bill
1988 Narrator (voice)
- Good Morning, Vietnam
1987 Adrian Cronauer
- Citizen Steve
1987 Robin Leach
- Dear America: Letters Home from Vietnam
1987 (voice)
- The Best of Times
1986 Jack Dundee
- Robin Williams: An Evening at the Met
1986 Writer
- Club Paradise
1986 Jack Moniker
- Seize the Day
1986 Tommy Wilhelm
- Bob Goldthwait: Don't Watch This Show
1986 Albert Einstein
- Moscow on the Hudson
1984 Vladimir Ivanoff
- An Evening with Robin Williams
1983 Writer
- The Survivors
1983 Donald Quinelle
- The World According to Garp
1982 T.S. Garp
- The Tale of the Frog Prince
1982 The Frog / Prince Robin
- Popeye
1980 Popeye
- Sorority '62
1978 Henry
- Robin Williams: Off the Wall
1978 Writer
- Can I Do It Till I Need Glasses?
1977 Lawyer / Man with Toothache (uncredited)
