Anton Diffring
Dr. Schuler
Pemeran
Top Billed Cast
Erika Remberg
Elissa Caro
Yvonne Monlaur
Nicole Vanet
Donald Pleasence
Vanet
Jane Hylton
Angela
Kenneth Griffith
Martin
Conrad Phillips
Inspector Arthur Ames
Jack Gwillim
Supt. Andrews
Vanda Hudson
Magda von Meck
Yvonne Romain
Melina
?
Colette Wilde
Evelyn Morley
William Mervyn
Dr. Morley
Peter Swanwick
Inspector Knopf
?
Carla Challoner
Nicole (as a Child)
Kenny Baker
Dwarf