Bernard ArchardDet. Inspector Verity Paul StassinoJames Helder Michael ColesFrank Murray Clifford EarlDet. Sgt. Wentworth Jean AubreyGillian Murray Gareth DaviesPolice Constable Jim O'ConnollyAssociate Producer Peter MullinsArt Direction Bert MasonDirector Of Photography Aldo ManganaroMakeup Artist Ted LewisAssistant Director Ronald AbbottSound Recordist Sidney RiderSound Recordist Ronnie CurtisCasting Director Joe LevyProduction Manager Edgar WallaceOriginal Story 
