크레딧 출연 John Loder Maxwell Archer Leueen MacGrath Sarah Athole Stewart Supt. Gordon Marta Labarr Nina George Merritt Insp. Cornell Ronald Adam Nicolides Peter Hobbes George Gull Jr. Ralph Roberts George Gull Sr. Syd Crossley Perkins Barbara Everest Miss Duke 스텝 Hugh Clevely Writing W.L. Trytel Sound Katherine Strueby Writing Alan Jaggs Editing John Paddy Carstairs Directing Claude Friese-Greene Camera William Sistrom Production Ian White Art