Dick Powell

Philip Marlowe

Claire Trevor

Helen Grayle

Anne Shirley

Ann Grayle

Otto Kruger

Jules Amthor

Mike Mazurki

Joe "Moose" Malloy

Miles Mander

Leuwen Grayle

Douglas Walton

Lindsay Marriott

Donald Douglas

Police Lt. Randall

Ralf Harolde

Dr. Sonderborg

Esther Howard

Jesse Florian

Ernie Adams

Bartender at "Florian's" (uncredited)

Ralph Dunn

Detective (uncredited)

Fred Graham

Man (uncredited)

Daun Kennedy

Girl in Bar (uncredited)

Donald Kerr

Taxi Driver (uncredited)

Dewey Robinson

New Boss at "Florian's" (uncredited)

Shimen Ruskin

Elevator Operator (uncredited)

Larry Wheat

Grayle's Butler (uncredited)