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