Groucho Marx
Attorney J. Cheever Loophole
Chico Marx
Antonio Pirelli
Harpo Marx
'Punchy'
Kenny Baker
Jeff Wilson
Florence Rice
Julie Randall
Eve Arden
Peerless Pauline
Margaret Dumont
Mrs. Suzanna Dukesbury
Nat Pendleton
Goliath
Fritz Feld
Jardinet
James Burke
John Carter
Jerry Maren
Little Professor Atom (as Jerry Marenghi)
Barnett Parker
Whitcomb
Irving Bacon
Telegraph Clerk (uncredited)
Willie Best
Redcap (uncredited)
