Leyton van Dyk
Stephen Boyd
Pete Handley
Ray Milland
Task Force Leader
Ian Yule
Ship's Captain
Bill Brewer
Alberto
Romano Puppo
Dr. Warden
Larry McEvoy
Atanga
France Nuyen
Bruno Carstens
Cameron Mitchell
Jim Handley
Brendon Boone
Mark Handley
Michael Kirner
Lee
John van Dreelen
Bill Stryker
John Stacy
Wong
George Wang
Lucie Handley
Marie du Toit
Director
Robert Day
Writer
Original Music Composer
Francesco De Masi
Director of Photography
Mario Fioretti
Producer
Stanley Norman
Novel
Ralph Anders
Editor
Frederick Wilson
Art Direction
Basil Deny
Executive Producer
Rudolph Andreas