"A famed concert pianist's hands are destroyed in a plane crash; when he receives transplants from a recently executed strangler, his murderous new mitts attract the attention of a sleazy illusionist turned blackmailer."
Mel Ferrer
as Stephen Orlac
Christopher Lee
as Nero the magician
Dany Carrel
as Régina / Li-Lang
Lucile Saint-Simon
as Louise Cochrane Orlac
Felix Aylmer
as Dr. Francis Cochrane
Peter Reynolds
as Mr. Felix
Basil Sydney
as Maurice Seidelman
Campbell Singer
as Inspector Henderson
Donald Wolfit
as Professor Volchett
Donald Pleasence
as Graham Coates
Peter Bennett
as 1st Member
George Merritt
as 2nd Member
Arnold Diamond
as Dresser
Janina Faye
as Child
Gertan Klauber
as Fairground attendant
Walter Randall
as Waiter
Yanilou
as Emilie
David Peel
as Pilot
Anita Sharp-Bolster
as Volcheff's Assistant
Edouard Hemme
as Ange
Mireille Perrey
as Madame Aliberti
Manning Wilson
as Inspector Jagger
Franca Bellj
as Cell Whore (uncredited)
as 1st Member (uncredited)
Ernest Blyth
as Nightclub Audience (uncredited)
Fred Davis
as Detective (uncredited)
Arthur Dibbs
as Nightclub Audience Member (uncredited)
Pierre Ferrari
as Ambulance Attendant (uncredited)
Jean Fountaine
as French Waiter (uncredited)
Charles Gilliard
Victor Harrington
Juba Kennerley
Aileen Lewis
Pat Lewis
as Nurse (uncredited)
as 2nd Member (uncredited)
John More
as Concert Audience (uncredited)
Richard Neller
as Surgeon in Clinic Hallway / Concert Audience (uncredited)
Terry Sartain
as Man in Clinic Hallway (uncredited)
John Smart
Emile Stemmler
as Nightclub Waiter (uncredited)
Philip Stewart
Fred Stroud
John Tatham
John Timberlake
as Club Barman (uncredited)
Johnny Wyne
Edmond T. Gréville
Director
Maurice Renard
Novel
John Baines
Writer
Donald Taylor
Dialogue
Producer
Steven Pallos
Jacques Lemare
Director of Photography
Desmond Dickinson
Jean Ravel
Editor
Oswald Hafenrichter
Eugène Piérac
Production Design
John Blezard
Art Direction
Rebecca Breed
Wardrobe Master
Claude Bolling
Original Music Composer