William Powell
Nick Charles
Myrna Loy
Nora Charles
Lucile Watson
Mrs. Marta Charles
Gloria DeHaven
Laura Belle Ronson
Anne Revere
Crazy Mary
Helen Vinson
Helena Draque
Harry Davenport
Dr. Bertram Charles
Leon Ames
Edgar Draque
Donald Meek
Willie Crump
Edward Brophy
Brogan
Lloyd Corrigan
Dr. Bruce Clayworth
Anita Sharp-Bolster
Hilda
Ralph Brooke
Peter Berton
Donald MacBride
Police Chief MacGregor
Morris Ankrum
Willoughby Peavy
Nora Cecil
Miss Peavy
Minor Watson
Sam Ronson
Irving Bacon
Tom
Virginia Sale
Tom's Wife
Asta Jr.
Asta
Joseph Crehan
Clancy - Policeman at Railroad Station (uncredited)
Tom Dugan
Studs Lonnegan (uncredited)
Wally Cassell
Bill Burns (uncredited)
Edward Gargan
Mickey Finnegan (uncredited)
Rex Evans
Fat Man in Train Passageway (uncredited)
Charles Halton
R.T. Tatum (uncredited)
Paul Langton
Tom Clayworth (uncredited)
Etta McDaniel
Ronson's Maid (uncredited)
Clarence Muse
Porter on Train (uncredited)
Robert Emmett O'Connor
Baggage Attendant on Train (uncredited)
Garry Owen
Pool Player (uncredited)
Jack Perry
Man in Pool Hall Brawl (uncredited)
William H. O'Brien
Train Passenger (uncredited)
Oliver Blake
Reporter (uncredited)
Tom Fadden
Train Passenger in Passageway (uncredited)
Sam Flint
Hotel Clerk (uncredited)
Harry Hayden
Train Conductor (uncredited)
Mitchell Lewis
Third Man Outside Barber Shop(uncredited)
Harry Kurnitz
Story
Robert Riskin
Screenplay
Dwight Taylor
Screenplay
Dashiell Hammett
Characters
Robert Riskin
Story
Richard Thorpe
Director
Irene
Costume Supervisor
Cedric Gibbons
Art Direction
Douglas Shearer
Recording Supervision
Ralph E. Winters
Editor
Karl Freund
Director of Photography
David Snell
Music
Edwin B. Willis
Set Decoration
Edward C. Carfagno
Art Direction
Marion Herwood Keyes
Costume Assistant