Lawrence Huntington Director Eric Portman Victor James Colebrooke Actor Dulcie Gray Anne Fielding Actor Derek Farr Jack Williams Actor Roland Culver Chief Insp. Conway Actor Stanley Holloway Sgt. Sullivan Actor Barbara Everest Mrs. Colebrooke Actor Kathleen Harrison Florrie Actor Jenny Laird Jeannie McLaren Actor Bill Shine Det. Ellis Actor Bonar Colleano Cpl. Nick Mappolo Actor John Salew Det. Walters Actor Moira Lister Miss Willis Actor Marcel Hellman Producer Percy Robinson Writer Terence de Marney Writer