Groucho Marx
Dr. Hugo Z. Hackenbush
Chico Marx
Tony
Harpo Marx
Stuffy
Allan Jones
Gil Stewart
Maureen O'Sullivan
Judy Standish
Margaret Dumont
Emily Upjohn
Sig Ruman
Dr. Leopold X. Steinberg
Leonard Ceeley
Whitmore
Douglass Dumbrille
Morgan
Esther Muir
'Flo' Marlowe
Robert Middlemass
Sheriff
Vivien Fay
Specialty Dancer
Ivie Anderson
Specialty Singer
Gino Corrado
Man Boarding Bus (uncredited)
