"The wicked Alain plots an elaborate revenge against his younger brother Edmund, leading to a deadly confrontation in his dungeon deathtrap."
Charles Laughton
as Sire Alain de Maletroit
Boris Karloff
as Voltan
Sally Forrest
as Blanche de Maletroit
Richard Wyler
as Denis de Beaulieu
William Cottrell
as Corbeau
Alan Napier
as Count Grassin
Morgan Farley
as Renville
Paul Cavanagh
as Edmond de Maletroit
Michael Pate
as Talon
Marion Gray
as
Mary Bayless
George Bruggeman
Forrest Burns
George Calliga
Monique Chantal
Jack Chefe
Harry Cording
Herbert Evans
Franklyn Farnum
Charles Horvath
Forbes Murray
Barry Norton
William H. O'Brien
Frank O'Connor
Eddie Parker
Joe Phillips
Tao Porchon
Scott Seaton
Ellinor Vanderveer
Patrick Whyte
Jerry Sackheim
Screenplay
Irving Glassberg
Director of Photography
Bernard Herzbrun
Art Direction
Julia Heron
Set Decoration
Eric Orbom
Miklós Rózsa
Music
Joseph Gershenson
Music Director
Herman Stein
Bud Westmore
Makeup Artist
Ted Richmond
Producer
Rosemary Odell
Costume Design
Joan St. Oegger
Hairstylist
William Lava
Hans J. Salter
Joseph Pevney
Director
Edward Curtiss
Editor
Russell A. Gausman
Frank Skinner
Nathan Juran
Glenn E. Anderson
Sound
Leslie I. Carey
Robert Louis Stevenson
Short Story
Robert Laszlo
Props