Martin Campbell Director Jennifer Westbrook Emily Barrow Actor David Warbeck Grant Henry Actor Henry Rayner Constable Actor Gerald Taylor Herbert Barrow Actor Michael Armstrong Sergeant Plinth Actor, Screenwriter Terence Edmond Inspector Smith Actor Diane Keen Judy Martin Actor Christopher Neil Guy Hammond Actor Tudor Gates Screenwriter, Producer Michael Style Producer Grenville Middleton Cinematographer Peter Musgrave Film Editing Michael Vickers Original Music