The One, the Only... Groucho

Groucho Marx

Self (archive footage)

David Steinberg

Narrator

Dick Cavett

Self

Bill Cosby

Self

George Fenneman

Self

John Guedel

Self

Marvin Hamlisch

Self

잭 레먼

Self

Richard Lewis

Self

Art Linkletter

Self

Miriam Marx

Self

Nat Perrin

Self