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