Cast
Boris Karloff
Dr. Thomas Bolton
Betta St. John
Susan
Christopher Lee
Resurrection Joe
Finlay Currie
Supt. Charles Matheson
Adrienne Corri
Rachel
Francis de Wolff
Black Ben
Francis Matthews
Jonathan Bolton
Frank Pettingell
Mr. Blount
Basil Dignam
Hospital Chairman
Nigel Green
Insp. Donovan
Yvonne Romain
Rosa (as Yvonne Warren)
Howard Lang
Chief Inspector
Charles Lloyd Pack
Hardcastle
Bernard Archard
Hospital Official
Marianne Stone
Arrested Woman (uncredited)
Desmond Llewelyn
Operations Assistant (uncredited)
Skip Martin
(uncredited)
Crew
Robert Day
Director
(Directing)
Jean Scott Rogers
Screenplay
(Writing)
Geoffrey Faithfull
Director of Photography
(Camera)
Peter Mayhew
Editor
(Editing)
John Croydon
Producer
(Production)
Charles F. Vetter
Producer
(Production)
Richard Gordon
Executive Producer
(Production)
Peter Mayhew
Associate Producer
(Production)
Buxton Orr
Original Music Composer
(Sound)
Anthony Masters
Art Direction
(Art)
Wally Schneiderman
Makeup Artist
(Costume & Make-Up)
Eileen Warwick
Hairstylist
(Costume & Make-Up)
George Mills
Production Manager
(Production)
Peter Bolton
Assistant Director
(Directing)
Maurice Askew
Sound Recordist
(Crew)
Michael Stevenson
Third Assistant Director
(Directing)
Susan Dyson
Continuity
(Directing)
Cyril Swern
Sound Recordist
(Sound)