Philip Marlowe

Dick Powell

Helen Grayle

Claire Trevor

Ann Grayle

Anne Shirley

Jules Amthor

Otto Kruger

Joe "Moose" Malloy

Mike Mazurki

Mr. Grayle

Miles Mander

Lindsay Marriott

Douglas Walton

Lt. Randall

Don Douglas

Police Lt. Randall

Donald Douglas

Dr. Sonderborg

Ralf Harolde

Jessie Florian

Esther Howard

Chauffeur

John Indrisano

Bartender at "Florian's" (uncredited)

Ernie Adams

Dancer at the "Cocoanut Beach Club" (uncredited)

Bernice Ahi

Dr. Sonderborg's Assistant (uncredited)

Jack Carr

Detective (uncredited)

George Anderson

Elevator Operator

Shimen Ruskin

Club Patron (uncredited)

Edward Biby

New Boss at 'Florian's' (uncredited)

Dewey Robinson

Police Clerk (uncredited)

Tom Coleman

Grayle's Butler (uncredited)

Larry Wheat

Detective (uncredited)

Ralph Dunn

Headwaiter

Sam Finn

Club Patron (uncredited)

Rudy Germane

Taxi Driver (uncredited)

Donald Kerr

Detective Nulty (uncredited)

Paul Phillips

Man (uncredited)

Fred Graham

Boy Getting Laundry (uncredited)

Paul Hilton

Girl in Bar (uncredited)

Daun Kennedy

Club Patron (uncredited)

King Lockwood

Stanley Andrews