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