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