Lon Chaney Jr.

as Dr. Mark Steel

Patricia Morison

as Stella Madden

J. Carrol Naish

as Inspector Gregg

David Bruce

as Robert 'Bob' Duval

Ramsay Ames

as Maria Steele

Fay Helm

as Mrs. Duval

Holmes Herbert

as Bryant, the Butler

Alec Craig

as Bill, the Watchman

Frederick Giermann

as Marion's Father (as Fred Gierman)

Lisa Golm

as Marion's Mother

Charles Wagenheim

as Coroner

Mary Hale

as Marion

George Eldredge

as District Attorney

John Elliott

as Priest

Earle Hodgins

Charles R. Moore

Norman Rainey

Kernan Cripps

Al Ferguson

Robert F. Hill

David Hoffman

Perc Launders

Rex Lease

Frank Marlowe

Paul Phillips

Jack Rockwell

Jack C. Smith