Cast
Bruce Boa
Roy
Ed Devereaux
Storekeeper
Kenneth More
William Blood
Norman Bird
Herbert
Michael Hordern
Dr. Davidson
Charles Gray
Leo
Noel Purcell
Prosecutor
John Phillips
Professor Stephens
Edward Burnham
Test Chamber Scientist
Jeremy Lloyd
Jaguar Driver
Shirley Anne Field
Polly
John Glyn-Jones
Dr. Wilmot
Bernard Horsfall
Rex