George Montgomery
Philip Marlowe
Nancy Guild
Merle Davis
Florence Bates
Mrs. Murdock
Roy Roberts
Lt. Breez
Fritz Kortner
Vannier
Conrad Janis
Leslie Murdock
Marvin Miller
Blair
Reed Hadley
Dr. Moss (uncredited)
Robert Adler
Police Sgt. Spangler (uncredited)
Ben Erway
Shaw (uncredited)
Alfred Linder
Eddie Prue (uncredited)
George Magrill
Policeman (uncredited)
Jack Overman
Apartment Manager (uncredited)
Ray Spiker
Figaro (uncredited)
Houseley Stevenson
Elisha Morningstar (uncredited)
Jack Stoney
Mike - Hood (uncredited)
Gisela Werbisek
Maid (uncredited)
Paul Maxey
Coroner (uncredited)
Joe Palma
Attendant (uncredited)
Edward Gargan
Truck Driver (uncredited)
Al Eben
Baggage Room Attendant (uncredited)