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Ian Hendry - Tom LlewellynAlan Badel - David NevilleBarbara Ferris - Susan EliotAlfred Burke - Colin WebsterSheila Allen - Diana LooranRalph Michael - Minister of DefensePatrick Wymark - CommanderMartin Miller - Prof. GruberHarold Goldblatt - HaribPatrick White - Mr. DavidsonAndre Mikhelson - Russian OfficialBessie Love - Mrs. RobbinClive Powell - PaulYoke-Moon Lee - Mi LingRoberta Rex - NinaGerald del Sol - AgoMahdu Mather - RashidFrank Summerscale - MarkTom Bowman - General Miller (uncredited)Peter Thompson - (uncredited)Jack Berg - (uncredited)Eddie Boyce - (uncredited)Ian Cullen - (uncredited)Joe Dunne - (uncredited)Ernest Fennemore - (uncredited)Patrick Halpin - (uncredited)Philip Johns - (uncredited)Annette Kerr - (uncredited)Arnold Lee - (uncredited)Martin Lyder - (uncredited)
Ratings
from TMDB6.1/ 10113 votes