Groucho Marx
Self (archive footage)
David Steinberg
Narrator
Dick Cavett
Self
Bill Cosby
Self
George Fenneman
Self
John Guedel
Self
Marvin Hamlisch
Self
Jack Lemmon
Self
Richard Lewis
Self
Art Linkletter
Self
Miriam Marx
Self
Nat Perrin
Self
Gloria Stuart
Self
Susan F. Walker
The One, the Only... Groucho
Released
Bande-annonce
