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)

John Brahm