크레딧 출연 Hugh Williams Dr. Thurlow Chili Bouchier Betty Trimmer Garry Marsh Dr. Mortimer Reginald Purdell Askew James Stephenson Inspector Clarke Glen Alyn Isabel Simmonds John Carol Merridew Lesley Brook Mary Cresswell Robert Rendel Dr. Fletcher Aubrey Pollock Dr. Cresswell Elsa Buchanan Syd Crossley Katie Johnson Ross Landon Muriel Pope Ivy Tresmand 스텝 Brock Williams Writing Irving Asher Production Mignon G. Eberhart Writing Robert LaPresle Camera Basil Woon Writing Arthur B. Woods Directing