Diretor/a
Sandy Whitelaw
DIRETOR/A
Elenco (na ordem dos créditos)
Hiram Keller
Dr. Ben Land
Tina Aumont
Anna
Klaus Kinski
Nicholas Ulrich
Fons Rademakers
Prof. van Arp
Eric Schneider
Dr. Linden
Frans Mulder
Pim Henke
Lyda Polak
Lydia
Joan Remmelts
Family doctor
André van den Heuvel
Felix Dolda
Onno Molenkamp
Director of old age home
Dick Scheffer
Official from ministry of science
Albert Van Doorn
Emile van der Lutte
Adrian Brine
Dr. Winston
Helen van Meurs
Psychiatrist
Sacco van der Made
Animal feeder
Rudi Falkenhagen
Police Inspector
Paul Melton
Journalist
Rudolf Lucieer