크레딧 출연 Bernard Lee Det. Supt. Meredith Alexander Knox Colonel Calderwood Moira Redmond Diana Marsh William Russell Mike Stafford Richard Vernon John Crewe Richard Warner Mark Speller John Gabriel Monet Jack Rodney Gregory Stanley Morgan Det. Sgt. Anson Robert Percival Mr. Britton Ann Harriman Receptionist Julie Shearing Judy Fanny Carby Mrs. Wall Ian Hamilton Waiter Walter Horsbrugh Registrar 스텝 Gerard Glaister Directing Edgar Wallace Writing Philip Mackie Writing Jack Greenwood Production Bernard Ebbinghouse Sound Bert Mason Camera Bernard Gribble Editing Ronnie Curtis Production Peter Mullins Art Hilda Fox Costume & Make-Up Aldo Manganaro Costume & Make-Up Joe Levy Production Ted Lewis Directing Ronald Abbott Sound Sidney Rider Sound Allan Sones Sound Herbert Smith Camera Eileen Welch Costume & Make-Up