William Powell
Nick Charles
James Stewart
David Graham
Elissa Landi
Selma Forrest Landis
Jessie Ralph
Aunt Katherine Forrest
Alan Marshal
Robert Landis
Penny Singleton
Polly Byrnes
George Zucco
Dr. Adolph Kammer
Paul Fix
Phil Byrnes / Ralph West
Ward Bond
Party Guest (uncredited)
Donald Briggs
Reporter (uncredited)
Mary Gordon
Rose (uncredited)
Allen 'Farina' Hoskins
Screwy (uncredited)
Hal Le Sueur
Polly's Admirer (uncredited)
Roger Moore
Reporter (uncredited)
Tom Ricketts
Henry the Butler (uncredited)
Constantine Romanoff
Wrestler at Party (uncredited)
Zeffie Tilbury
Aunt Lucy (uncredited)
Sue Moore
Sexy Blonde (uncredited)
Lucille Ward
Prison Matron (uncredited)
Harry Tyler
Fingers (uncredited)
Murray Alper
The Kid (uncredited)
John Kelly
Harold the Chauffer (uncredited)
William Benedict
Newsboy (uncredited)
James Carlisle
Man Reading Newspaper (uncredited)
Charles Fogel
Nightclub Patron (uncredited)