演职人员
Dr. Hugo Z. Hackenbush
Groucho Marx
Tony
Chico Marx
Stuffy
Harpo Marx
Gil Stewart
Allan Jones
Judy Standish
莫琳·保拉·奥沙利文
Emily Upjohn
Margaret Dumont
Dr. Leopold X. Steinberg
西格·鲁曼
Whitmore
Leonard Ceeley
Morgan
Douglass Dumbrille
'Flo' Marlowe
Esther Muir
Sheriff
Robert Middlemass
Specialty Dancer
Vivien Fay
Specialty Singer
Ivie Anderson
Man Boarding Bus (uncredited)
Gino Corrado
Racetrack Spectator (uncredited)
贝丝·弗劳尔斯
Racetrack Spectator (uncredited)
Bert Moorhouse
Racetrack Guard (uncredited)
弗兰克·奥康纳
Party Guest (uncredited)
Carole Landis
Black Singer (uncredited)
Etta Moten
Singer (uncredited)
Dorothy Dandridge
Racetrack Spectator (uncredited)
Byron Foulger
Telephone Operator (uncredited)
Jean Burt Reilly