Sam Grunion
Groucho Marx
Harpo
Harpo Marx
Grunion's Client
Marilyn Monroe
Mr. Lyons
Leon Belasco
Mackinaw
Eric Blore
Ivan (uncredited)
Otto Waldis
Faustino the Great
Chico Marx
Madame Egelichi
Ilona Massey
Maggie Phillips
Vera-Ellen
Bunny Dolan
Marion Hutton
Alphonse Zoto
Raymond Burr
Lefty Throckmorton
Melville Cooper
Mike Johnson
Paul Valentine
Hannibal Zoto
Bruce Gordon
Director of Photography
William C. Mellor
Executive Producer
Mary Pickford
Additional Writing
Ben Hecht
Story
Screenplay
Frank Tashlin
Director
David Miller
Orchestrator
Harry Geller
Visual Effects
Howard A. Anderson
Costume Design
Grace Houston
Norma Koch
Wardrobe Supervisor
Richard Bachler
Makeup Artist
Fred B. Phillips
Hairstylist
Scotty Rackin
Set Decoration
Casey Roberts
Art Direction
Gabriel Scognamillo
Choreographer
Billy Daniel
Original Music Composer
Ann Ronell
Production Manager
Ray Heinz
Producer
Lester Cowan
Editor
Albrecht Joseph
Basil Wrangell
Mac Benoff