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)
Edward Biby
Club Patron (uncredited)
Ralph Dunn
Detective (uncredited)
Fred Graham
Man (uncredited)
Daun Kennedy
Girl in Bar (uncredited)
Donald Kerr
Taxi Driver (uncredited)
Dewey Robinson
New Boss at "Florian's" (uncredited)
Shimen Ruskin
Elevator Operator (uncredited)
Larry Wheat
Grayle's Butler (uncredited)
George Anderson
Detective (uncredited)
Jack Carr
Dr. Sonderborg's Assistant (uncredited)
Tom Coleman
Police Clerk (uncredited)
Sam Finn
Headwaiter (uncredited)
Rudy Germane
Club Patron (uncredited)
Bill Hamilton
Man (uncredited)
Paul Hilton
Boy Getting Laundry (uncredited)
John Indrisano
Amthor's Chauffeur (uncredited)
King Lockwood
Club Patron (uncredited)
Paul Phillips
Detective Nulty (uncredited)