Directed by Terence Fisher Written by Robert Falconer Manning O'Brine Pat O'Brien as Bart Crosbie Lois Maxwell as Jill Brook George Coulouris as Heinz Webber Wensley Pithey as Inspector Lane Tommy Steele as Himself Freddie Mills as Waxy Lister Ronald Adam as Mr. Brook Robert Brown as Steve Ryan Richard Pasco as Dr. Fisher April Olrich as Bella Braganza Peter Swanwick as Harrison Al Mulock as Rod Larry Taylor as Carson (uncredited) Ian Wilson as Marty (uncredited)