Full Credits
21 members

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)

Bess Flowers
Racetrack Spectator (uncredited)
Bert Moorhouse
Racetrack Spectator (uncredited)

Frank O'Connor
Racetrack Guard (uncredited)

Carole Landis
Party Guest (uncredited)

Etta Moten
Black Singer (uncredited)

Dorothy Dandridge
Singer (uncredited)

Byron Foulger
Racetrack Spectator (uncredited)
21 members
Sam Wood
Director
Robert A. Golden
Assistant Director
Robert Pirosh
Screenplay
George Seaton
Screenplay
George Oppenheimer
Screenplay
Robert Pirosh
Story
George Seaton
Story
Gus Kahn
Lyricist
Sam Wood
Producer
Irving Thalberg
Producer
Lawrence Weingarten
Producer
Joseph Ruttenberg
Director of Photography
Leonard Smith
Director of Photography
Franz Waxman
Original Music Composer
Douglas Shearer
Sound Director
Bronislau Kaper
Songs
Walter Jurmann
Songs
Cedric Gibbons
Art Direction
Edwin B. Willis
Art Department Assistant
Dolly Tree
Wardrobe Designer
Frank E. Hull
Editor