Peter Lorre

Doctor Gogol

Frances Drake

Yvonne Orlac

Colin Clive

Stephen Orlac

Ted Healy

Reagan

Isabel Jewell

Marianne (scenes deleted)

Sara Haden

Marie

Edward Brophy

Rollo

Henry Kolker

Prefect Rosset

Keye Luke

Dr. Wong

May Beatty

Françoise

Ian Wolfe

Henry Orlac, Stephen Orlac's Stepfather (Uncredited)

Frank Darien

Lavin, Waxwork Proprietor (Uncredited)

Murray Kinnell

Charles, Theatre Official (Uncredited)

Charles Trowbridge

Dr. Marbeau (Uncredited)

Nell Craig

Suzanne (Uncredited)

Robert Emmett Keane

Raoul (Uncredited)

Billy Gilbert

Autograph Seeker on Train (Uncredited)

Hooper Atchley

Train Conductor (Uncredited)

Michael Mark

Execution Official (Uncredited)

Alphonse Ethier

Assistant Prefect (Uncredited)

Otto Hoffman

Blind Man (Uncredited)

Sarah Padden

Crippled Girl's Mother (Uncredited)

Edward Norris

Man Outside Theatre of Horror (Uncredited)

Russ Powell

Gendarme (Uncredited)

Rolfe Sedan

Gendarme (Uncredited)

Roger Gray

Detective Arresting Stephen (Uncredited)

Robert Graves

Detective Escorting Rollo on Train (Uncredited)

Theodore Lorch

Actor at Party (Uncredited)

Carl Stockdale

Actor as 'The Rotary' (Uncredited)

Ramsay Hill

Actor as 'Duke' (Uncredited)

Clarence Wilson

Piano Creditor (Uncredited)