Fred MacMurray as Walter Neff

Barbara Stanwyck as Phyllis Dietrichson

Edward G. Robinson as Barton Keyes

Porter Hall as Mr. Jackson

Jean Heather as Lola Dietrichson

Tom Powers as Mr. Dietrichson

Byron Barr as Nino Zachetti

Richard Gaines as Edward S. Norton Jr.

Fortunio Bonanova as Sam Garlopis

John Philliber as Joe Pete

John Berry as Bit Part (uncredited)

Raymond Chandler as Man Reading Book (uncredited)

Edmund Cobb as Train Conductor (uncredited)

Kernan Cripps as Conductor (uncredited)

Bess Flowers as Norton's Secretary (uncredited)

Eddie Hall as Man in Drug Store (uncredited)

Teala Loring as Pacific All-Risk Telephone Operator (uncredited)

Sam McDaniel as Charlie the Garage Attendant (uncredited)

Billy Mitchell as Pullman Porter (uncredited)

Clarence Muse as Man (uncredited)

Douglas Spencer as Lou Schwartz (uncredited)

Harold Garrison as Redcap (uncredited)

James Adamson as Pullman Porter (uncredited)

Betty Farrington as Dietrichsons' Maid Nettie (uncredited)

George Magrill as Man (uncredited)

Constance Purdy as Shopper in Market (uncredited)

Dick Rush as Pullman Conductor (uncredited)

Floyd Shackelford as Pullman Porter (uncredited)

Oscar Smith as Pullman Porter (uncredited)

Miriam Nelson as Keyes' Secretary (uncredited)

Mona Freeman as Secretary (uncredited)

Florence Wix as Train Passenger at Station (uncredited)