Robert Montgomery as Phillip Marlowe

Audrey Totter as Adrienne Fromsett

Lloyd Nolan as Lieutenant DeGarmot

Tom Tully as Captain Kane

Leon Ames as Derace Kingsby

Jayne Meadows as Mildred Haveland

Dick Simmons as Chris Lavery

Morris Ankrum as Eugene Grayson

Lila Leeds as Receptionist

William Roberts as Artist

Kathleen Lockhart as Mrs. Grayson

Ellay Mort as Crystal

Ellen Ross as Elevator Girl (Uncredited)

Eddie Acuff as Ed, Coroner (Uncredited)

Charles Bradstreet as Party Guest (Uncredited)

David Cavendish as Party Guest (Uncredited)

Wheaton Chambers as Property Clerk (Uncredited)

Roger Cole as Party Guest (Uncredited)

Frank Dae as Party Guest (Uncredited)

Jack Davis as Policeman (Uncredited)

John Webb Dillion as Policeman (Uncredited)

Ralph Dunn as Sergeant (Uncredited)

Budd Fine as Policeman (Uncredited)

John Gallaudet as Policeman (Uncredited)

Nina Garson as Party Guest (Uncredited)

Sherry Hall as Party Guest (Uncredited)

Cy Kendall as Jailer (Uncredited)

Ann Lawrence as Party Guest (Uncredited)

George Magrill as Policeman (Uncredited)

Bert Moorhouse as Party Guest (Uncredited)

Sandra Morgan as Party Guest (Uncredited)

Thomas Murray as Policeman (Uncredited)

William Newell as Drunk (Uncredited)

James Nolan as Party Guest (Uncredited)

William O'Leary as Party Guest (Uncredited)

Frank Orth as Floyd Greer (Uncredited)

William McKeever Riley as Buster (Uncredited)

Fred Santley as Charlie (Uncredited)

Fred Sherman as Reporter (Uncredited)

Florence Stephens as Party Guest (Uncredited)

George Travell as Party Guest (Uncredited)

Laura Treadwell as Party Guest (Uncredited)

Kay Wiley as Party Guest (Uncredited)

Robert B. Williams as Detective (Uncredited)