Nick Charles
William Powell
Nora Charles
Myrna Loy
Lum Kee
William Law
Dr. Adolph Kammer
George Zucco
Phil Byrnes / Ralph West
Paul Fix
Asta
Skippy
Party Guest (uncredited)
Ward Bond
Reporter (uncredited)
Donald Briggs
Rose (uncredited)
Mary Gordon
Screwy (uncredited)
Allen 'Farina' Hoskins
Polly's Admirer (uncredited)
Hal Le Sueur
Roger Moore
David Graham
James Stewart
Henry the Butler (uncredited)
Tom Ricketts
Wrestler at Party (uncredited)
Constantine Romanoff
Aunt Lucy (uncredited)
Zeffie Tilbury
Sexy Blonde (uncredited)
Sue Moore
Prison Matron (uncredited)
Lucille Ward
Fingers (uncredited)
Harry Tyler
The Kid (uncredited)
Murray Alper
Harold the Chauffer (uncredited)
John Kelly
Newsboy (uncredited)
William Benedict
Man Reading Newspaper (uncredited)
James Carlisle
Selma Forrest Landis
Elissa Landi
Nightclub Patron (uncredited)
Charles Fogel
'Dancer'
Joseph Calleia
Aunt Katherine Forrest
Jessie Ralph
Robert Landis
Alan Marshal
Floyd Casper
Teddy Hart
Lt. Abrams
Sam Levene
Polly Byrnes
Penny Singleton
Recording Supervision
Douglas Shearer
Producer
Hunt Stromberg
Original Music Composer
Herbert Stothart
Story
Dashiell Hammett
Assistant Art Director
Edwin B. Willis
Director
W.S. Van Dyke
Screenplay
Frances Goodrich
Art Direction
Cedric Gibbons
Albert Hackett
Harry McAfee
Makeup Artist
Robert J. Schiffer
Editor
Robert Kern
Director of Photography
Oliver T. Marsh
Edward Ward
Choreographer
Seymour Felix
Costumer
Dolly Tree