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)

George Magrill

Policeman (uncredited)

Jack Overman

Apartment Manager (uncredited)

Ray Spiker

Figaro (uncredited)

Houseley Stevenson

Elisha Morningstar (uncredited)

Jack Stoney

Mike - Hood (uncredited)

Paul Maxey

Coroner (uncredited)

Edward Gargan

Truck Driver (uncredited)