Acting

2022

as Self (archive footage)

2019

as Self (archive footage)

2018

as Self (archive footage)

2016		The Marx Brothers: Hollywood's Kings of Chaos as Self (archive footage)
2016		The Last Laugh as Self

2014

as Self (archive footage)

2003

as Self (archive footage)

2001

as Self (archive footage)

1994

as Self (archive footage)

1993

as Self (archive footage)

1991

as Self (archive footage)

1986

as Self (from Love Happy [1949]) (archive footage)

1984

as (archive footage)

1983

as Self (archive footage) (uncredited)

1982		The Marx Brothers in a Nutshell as (archive footage)
1982		Oops, Those Hollywood Bloopers! as Self (archive footage)

1981

as Self (archive footage) (uncredited)

1976		Salsa as (archive footage)
1976		That's Entertainment, Part II as (archive footage)
1976		Joys as Self

1975

as Self (archive footage)

1972

as Self (archive footage)

1970

as Self (voice)

1968		Skidoo as God
1968		The Movie Orgy as Self (archive footage)

1966

as Man Looking Through Window At Melvin Flying

1964

as One of The Marx Brothers (archive footage) (uncredited)

1961

as Self

1960

as Ko-Ko

1959

as Suspect in a Police Lineup

1957		The Story of Mankind as Peter Minuit
1957		Will Success Spoil Rock Hunter? as George Schmidlap (uncredited)

1956

as Stage conductor

1952

as Benjamin Franklin 'Benny' Linn

1951

as Emile J. Keck

1950

as Groucho Marx

1949

as Sam Grunion

1947

as Lionel Q. Deveraux

1946

as Ronald Kornblow

1941

as Wolf J. Flywheel

1940		Go West as S. Quentin Quale
1940		A New Romance of Celluloid: The Miracle of Sound as Self
1940		Hollywood: Style Center of the World as Self

1939		At the Circus as Attorney J. Cheever Loophole
1939		From the Ends of the Earth as Self

1938

as Gordon Miller

1937		Sunday Night at the Trocadero as Groucho Marx
1937		A Day at the Races as Dr. Hugo Z. Hackenbush

1936

as Sunbather

1935

as Otis B. Driftwood

1933		Hollywood on Parade No. B-5 as Self (archive footage) (uncredited)
1933		Duck Soup as Rufus T. Firefly
1933		Groucho Marx's Home Movies as Self
1933		Wonderland of California as Self

1932

as Professor Wagstaff

1931		I'll Say She Is as Caesar's Ghost
1931		Monkey Business as Groucho
1931		The House That Shadows Built as Caesar's Ghost

1930

as Captain Jeffrey T. Spaulding

1929

as Hammer

1921

as Villain

Writing

1973

… Writer

1949

… Story

1937

… Writer

Directing

1933

… Director