크레딧 출연 Robert Beatty Dr. Mark Benton Elizabeth Sellars Della Freeman Peter Coke Det. Insp. George Bellamy Hugh Kelly Dr. Craig Vida Hope Jackie Leroy Janet Butler Sister Rogers Ferdy Mayne Charles Constance James Raglan Supt. Grayson Hugh Pryse Mr. Rattray George Benson Prescott Roger Delgado Felix Galegos Frank Atkinson Railway Ticket Clerk (uncredited) Donald Conlon Helios Restaurant Patron (uncredited) Arthur Dibbs Helios Restaurant Patron (uncredited) Robert Gregory Man at Northolt Airport (uncredited) Jean Hardwicke Sister (uncredited) Barry Johns Hospital Orderly (uncredited) Anthony Lang Johnny (uncredited) Ronald Leigh-Hunt Sgt. Lewis (uncredited) Richard Neller Hospital Visitor (uncredited) Harold Sanderson Hospital Visitor (uncredited) Marc Sheldon Waiter (uncredited) Toke Townley Fred Barker (uncredited) 스텝 Martyn C. Webster Directing Francis Durbridge Writing A.R. Rawlinson Writing Ernest G. Roy Production Wilfred Burns Sound Gerald Gibbs Camera Joseph Sterling Editing Bernard Robinson Art Betty Lee Costume & Make-Up John O'Gorman Costume & Make-Up E.S. Laurie Production Pat Kelly Directing Buddy Booth Directing W. H. Lindop Sound Harry Raynham Sound Noel Rowland Camera Peter Lamb Camera Olive Swinney Costume & Make-Up Wilfred Burns Sound Marjorie Owens Directing