크레딧 출연 Kenneth More William Blood Shirley Anne Field Polly Norman Bird Herbert Michael Hordern Dr. Davidson John Glyn-Jones Dr. Wilmot Charles Gray Leo Bernard Horsfall Rex Bruce Boa Roy Noel Purcell Prosecutor Ed Devereaux Storekeeper John Phillips Professor Stephens Edward Burnham Test Chamber Scientist 스텝 Michael Relph Writing Bryan Forbes Writing Michael Relph Production Basil Dearden Directing Philip Green Sound