Terence Fisher Director Zachary Scott Richard Van Ness Actor Robert Beatty Nick Talbot Actor Kay Kendall Alexia LaRoche Actor Naomi Chance Avril Talbot Actor Colin Tapley Inspector Maxwell Actor Arthur Lane Boyd Spencer Actor Harold Lang Snell Actor Diane Cilento Jeannette Actor John Gilling Screenwriter Anthony Hinds Producer Walter J. Harvey Cinematographer Malcolm Arnold Film Editing James Needs Film Editing