Acting

—		I Refuse to Kill: He Went to War with War as Self
—		From the Ashes: The Life and Times of Tick Hall as Self

2023		Godard Cinema as Self (archive footage)
2023		Godard by Godard as Self (archive footage)
2023		The Lost Weekend: A Love Story as Self (archive footage)

2022		Groucho & Cavett as Self
2022		2022 Rock & Roll Hall of Fame Induction Ceremony as Self (archive footage)
2022		Louis Armstrong's Black & Blues as Self (archive Footage)
2022		Moonage Daydream as Self (archive footage)
2022		The Ghost of Richard Harris as Self
2022		Lucy and Desi as Self (archive footage)

2021		Live at Mister Kelly's as Self
2021		The Capote Tapes as Self
2021		Truman & Tennessee: An Intimate Conversation as Self - TV Host (archive footage)

2020

as Self - TV Host (archive footage)

2019		Alan Pakula: Going for Truth as Self
2019		Linda Ronstadt: The Sound of My Voice as Self (archive footage)
2019		Mike Wallace Is Here as (archive footage)
2019		Toni Morrison: The Pieces I Am as Self (archive footage)
2019		What She Said: The Art of Pauline Kael as Self

2018		Nureyev as Self, Archive Footage
2018		Ali & Cavett: The Tale of the Tapes as Self
2018		Bergman: A Year in a Life as Self

2017		This Is Bob Hope... as Self
2017		Stewart & Mitchum: The Two Faces of America as Self
2017		Kyoko as Himself (archive footage)
2017		I Am Not Your Negro as Self (archive footage)

2016

as Self

2015		Janis: Little Girl Blue as Himself
2015		Best of Enemies as Self
2015		Listen to Me Marlon as Self (archive footage)
2015		Dick Cavett's Vietnam

2014		James Brown - The Man, The Music & The Message as Self
2014		A Venue For The End Of The World as Himself
2014		Dick Cavett's Watergate as Himself
2014		Katharine Hepburn: The Great Kate as Self - Chat-Show Host
2014		River of Fundament as Wake Guest

2013

as Self (archive footage)

2012		Excuse Me for Living as Reverend Pilatus
2012		Deceptive Practice: The Mysteries and Mentors of Ricky Jay as Narrator
2012		Diana Vreeland: The Eye Has to Travel as Self (archive footage)
2012		Norman Mailer: The American as Self
2012		Driving Me Crazy as Mr. Johnson

2011		Woody Allen: A Documentary as Self
2011		George Harrison: Living in the Material World as Self (archive footage)
2011		Mel Brooks and Dick Cavett Together Again as Self

2010		Simon & Garfunkel: Across the Airwaves as Self
2010		Unforgettable
2010		Smash His Camera as Self
2010		Never Sleep Again: The Elm Street Legacy as Self (archive footage)

2008

as Self (archive footage)

2007		To My Great Chagrin as Himself
2007		Decoy: A Map to Nowhere as Self
2007		Tension: Who's Guilty Now? as Self
2007		Where Danger Lives: White Rose for Julie
2007		Black White + Gray: A Portrait of Sam Wagstaff and Robert Mapplethorpe as Self (archive footage)

2006

as Self

2005		Duane Hopwood
2005		Frontier University Dreams as Narrator
2005		Inside Deep Throat as Self

2004

as Self (archive footage)

2003		Jack Paar: Smart Television as Self
2003		The Education of Gore Vidal as Self (archive footage)

2000		Behind the Seams as Detective
2000		Once Upon a Sleigh Ride: The Music & Life of Leon Anderson as Narrator

1999

as Narrator

1997

as Narrator

1995

as Self

1994		Tennessee Williams: Orpheus of the American Stage as Self (archive footage)
1994		Forrest Gump as Dick Cavett

1993

as Self

1991		Year of the Gun as Ben Gershon
1991		The One, the Only... Groucho as Self
1991		The Fred Astaire Songbook as Self (archive footage)

1990		Robert Redford & Sydney Pollack: The Men and Their Movies as Self
1990		Night of 100 Stars III as Self
1990		Spy Magazine Presents How to Be Famous as himself

1988		Moon Over Parador as Self
1988		After School as Himself
1988		Funny as Self
1988		Beetlejuice as Bernard

1987		Penn & Teller's Invisible Thread as Himself
1987		A Nightmare on Elm Street 3: Dream Warriors as Dick Cavett

1986		Doctor Duck's Super Secret All-Purpose Sauce as Self
1986		Bye Bye Kipling as Self

1982		The Video Wine Guide with Dick Cavett as Self
1982		The Marx Brothers in a Nutshell as Self

1980		HealtH as Dick Cavett
1980		Simon as Himself

1979

as Narrator

1978

as Dick Cavett

1977

as Dick Cavett

1975

as Self

1974

1973		Jimi Hendrix as Self (archive footage)
1973		Nightside as Dick Cavett

1972		Imagine as Self
1972		Cocksucker Blues as Self
1972		Yoko Ono: This Is Not Here as Self
1972		Hollywood: The Dream Factory as Narrator (voice)

1969

as Himself

Writing

2018

… Writer