Elenco - The Trygon Factor
Stewart Granger
Superintendent Cooper Smith
Susan Hampshire
Trudy Emberday
Cathleen Nesbitt
Livia Emberday
James Culliford
Luke Emberday
Brigitte Horney
Oberin
Robert Morley
Hubert Hamlyn
Sophie Hardy
Sophie
Colin Gordon
Dice
Eddi Arent
Clossen
Diane Clare
Clare
Allan Cuthbertson
Det. Thompson
Yuri Borienko
Nailer
Conrad Monk
Pasco
John Barrett
Guide
Jeremy Hawk
Bank Manager
James Robertson Justice
Sir John (voice)Monika Dietrich
Photographic Model
Siegfried Schürenberg
Sir John