Discover
Dick Powell
Philip Marlowe
Claire Trevor
Helen Grayle
Anne Shirley
Ann Grayle
Otto Kruger
Jules Amthor
Mike Mazurki
Joe "Moose" Malloy
Miles Mander
Leuwen Grayle
Douglas Walton
Lindsay Marriott
Donald Douglas
Police Lt. Randall
Ralf Harolde
Dr. Sonderborg
Esther Howard
Jesse Florian
Ernie Adams
Bartender at "Florian's" (uncredited)
George Anderson
Detective (uncredited)
Edward Biby
Club Patron (uncredited)
Jack Carr
Dr. Sonderborg's Assistant (uncredited)
Tom Coleman
Police Clerk (uncredited)
Ralph Dunn
Detective (uncredited)
Sam Finn
Headwaiter (uncredited)
Rudy Germane
Club Patron (uncredited)
Fred Graham
Man (uncredited)
Bill Hamilton
Man (uncredited)
Paul Hilton
Boy Getting Laundry (uncredited)
John Indrisano
Amthor's Chauffeur (uncredited)
Daun Kennedy
Girl in Bar (uncredited)
Donald Kerr
Taxi Driver (uncredited)
King Lockwood
Club Patron (uncredited)
Paul Phillips
Detective Nulty (uncredited)
Dewey Robinson
New Boss at "Florian's" (uncredited)
Shimen Ruskin
Elevator Operator (uncredited)
Larry Wheat
Grayle's Butler (uncredited)
Art
Michael Ohrenbach
Set Decoration
Darrell Silvera
Set Decoration
Carroll Clark
Art Direction
Albert S. D'Agostino
Art Direction
Crew
Vernon L. Walker
Special Effects
Editing
Joseph Noriega
Editor
Sound
Roy Webb
Original Music Composer
James G. Stewart
Sound Re-Recording Mixer
Bailey Fesler
Sound Recordist
C. Bakaleinikoff
Music Director
Art
Michael Ohrenbach
Set Decoration
Darrell Silvera
Set Decoration
Carroll Clark
Art Direction
Albert S. D'Agostino
Art Direction
Crew
Vernon L. Walker
Special Effects
Editing
Joseph Noriega
Editor
Sound
Roy Webb
Original Music Composer
James G. Stewart
Sound Re-Recording Mixer
Bailey Fesler
Sound Recordist
C. Bakaleinikoff
Music Director