as Philip Marlowe

as Helen Grayle

as Ann Grayle

as Jules Amthor

as Joe "Moose" Malloy

as Leuwen Grayle

as Lindsay Marriott

as Police Lt. Randall

as Dr. Sonderborg

as Jesse Florian

as Bartender at "Florian's" (uncredited)

as Detective (uncredited)

as Club Patron (uncredited)

as Dr. Sonderborg's Assistant (uncredited)

as Police Clerk (uncredited)

as Detective (uncredited)

as Headwaiter (uncredited)

as Club Patron (uncredited)

as Man (uncredited)

as Man (uncredited)

as Boy Getting Laundry (uncredited)

as Amthor's Chauffeur (uncredited)

as Girl in Bar (uncredited)

as Taxi Driver (uncredited)

as Club Patron (uncredited)

as Detective Nulty (uncredited)

as New Boss at "Florian's" (uncredited)

as Elevator Operator (uncredited)

as Grayle's Butler (uncredited)