哈勃·马克斯

Harpo Marx

饰：Harpo

奇科·马克斯

Chico Marx

饰：Faustino the Great

玛丽莲·梦露

Marilyn Monroe

饰：Grunion's Client

薇拉·艾伦

Vera-Ellen

饰：Maggie Phillips, Dancer

格劳乔·马克斯

Groucho Marx

饰：Detective Sam Grunion, narrator of the story

雷蒙德·布尔

Raymond Burr

饰：Alphonse Zoto

梅尔维尔·库珀

Melville Cooper

饰：Lefty Throckmorton

Paul Valentine

饰：Mike Johnson, Dancer

利昂·贝拉斯科

Leon Belasco

饰：Mr. Lyons

埃里克·布洛尔

Eric Blore

饰：Mackinaw

布鲁斯-戈登

Bruce Gordon

饰：Hannibal Zoto

埃迪·博登

Eddie Borden

饰：Man at Stage Door (uncredited)

Sayre Dearing

饰：Street Extra (uncredited)

Edward Gargan

饰：Cop who captures Harpo (uncredited)

路易斯·海尔

Lois Hall

饰：Young woman (uncredited)

Alvin Hammer

饰：Call Boy (uncredited)

科林·基思-约翰斯顿

Colin Keith-Johnston

饰：Actor (uncredited)

小豪斯·彼得斯

House Peters Jr.

饰：Clergyman in Sadie Thompson number (uncredited)

Constance Purdy

饰：Woman with Chihuahua Dog (uncredited)

奥托·维尔尼克

Otto Wernicke

饰：Ivan, Assassin in Grunion's office (uncredited)

洛娜·马赛

Ilona Massey

饰：Madame Egelichi

Marion Hutton

饰：Bunny Dolan, Maggie's Best Friend