Toys 1992
Leslie Zevo
The Angriest Man in Brooklyn 2014
Henry Altmann
Hamlet 1996
Osric
Man of the Year 2006
Tom Dobbs
Death to Smoochy 2002
Rainbow Randolph
Once Upon a Studio 2023
Genie (voice) (archive footage)
Dead Again 1991
Cozy Carlisle
Jakob the Liar 1999
Jakob Heym
The World According to Garp 1982
T.S. Garp
Everyone's Hero 2006
Napoleon Cross (uncredited)
Noel 2004
Charlie Boyd / The Priest
The Big White 2005
Paul Barnell
Fathers' Day 1997
Dale Putley
Boulevard 2014
Nolan Mack
The Night Listener 2006
Gabriel Noone
Cadillac Man 1990
Joey O'Brien
A Merry Friggin' Christmas 2014
Mitch Mitchler
Robin Williams: Come Inside My Mind 2018
Self (archive footage)
The Pixar Story 2007
Self (archive footage)
Shrink 2009
Holden
Moscow on the Hudson 1984
Vladimir Ivanoff
The Aristocrats 2005
Self
Super/Man: The Christopher Reeve Story 2024
Self (archive footage)
House of D 2004
Pappass
The Face of Love 2013
Roger Stillman
The Best of Times 1986
Jack Dundee
The Survivors 1983
Donald Quinelle
Shakes the Clown 1991
Mime Class Instructor
Club Paradise 1986
Jack Moniker
Final Cut: Ladies and Gentlemen 2012
(archive footage)
Robin Williams: Weapons of Self Destruction 2009
Himself, Writer
Robin Williams: Live on Broadway 2002
Himself, Writer
Being Human 1994
Hector
Richard Pryor: Omit the Logic 2013
Self
And the Oscar Goes To... 2014
Self (archive footage)
The 1st 13th Annual Fancy Anvil Awards Show Program Special: Live in Stereo 2002
Self
The Secret Agent 1996
The Professor (uncredited)
Robin's Wish 2021
Himself (archive footage)
Who Is Harry Nilsson (And Why Is Everybody Talkin' About Him?) 2010
Self
An Evening with Robin Williams 1983
Self, Writer