Catherine Fengriffen
Stephanie Beacham
Dr. Pope
Peter Cushing
Sarah
Sally Harrison
Henry's Friend
John Sharp
Constable
Norman Mitchell
Sir John Westcliff
Lloyd Lamble
Kay Adrian
David Alan Barclay
Blake Butler
Vic Chapman
Servant
Frank Forsyth
(as Daniel Jones)
Daniel Johns
Dr. Whittle
Patrick Magee
(as Hilary Martin)
Hilary Martyn
Sylvester Morand
Beth Owen
Toni Sinclair
Elsa Smith
John Stamp
Bearded Drunk
Larry Taylor
Rocky Taylor
(as Gloria Walker)
Gloria Maley
Drew Wood
Henry Fengriffen
Herbert Lom
Charles Fengriffen
Ian Ogilvy
Silas / Woodsman
Geoffrey Whitehead
Maitland
Guy Rolfe
Mrs. Luke
Rosalie Crutchley
Aunt Edith
Gillian Lind
Bridget
Janet Key
Producer
Milton Subotsky
Director
Roy Ward Baker
Novel
David Case
Camera Operator
John Harris
Assistant Director
Derek Whitehurst
Second Assistant Director
Lindsey C. Vickers
Production Manager
Teresa Bolland
Max Rosenberg
Art Direction
Tony Curtis
Continuity
Betty Harley
Original Music Composer
Douglas Gamley
Director of Photography
Denys N. Coop
Casting
Ronnie Curtis
Editor
Peter Tanner
Screenplay
Roger Marshall
Makeup Artist
Paul Rabiger
Executive Producer
Gustave M. Berne
Focus Puller
David Wynn-Jones