크레딧 출연 John Stuart Inspector Webb Olga Lindo Mrs. Robson Howard Marion-Crawford Sgt. Clapper Louise Lord Anne Horder Ronald Adam Caleb Horder John Varley Peter Robson Cyril Conway Philip Grahame Jock McKay Angus Barbara Madock Toni Jean Short Lucy 스텝 Bryan Langley Camera Giulio Zampi Sound Mario Zampi Directing Charles T. Parkhouse Sound Walter C. Mycroft Writing Giulio Zampi Editing Mario Zampi Production Drummond Drury Camera Kathleen Connors Directing Donald Wynne Directing C.P. Norman Art