Loner Mark Lewis works at a film studio during the day and, at night, takes racy photographs of women. Also he's making a documentary on fear, which involves recording the reactions of victims as he murders them. He befriends Helen, … Karlheinz Böhm, Moira Shearer, Anna Massey, Maxine Audley, Brenda Bruce, Miles Malleson, Esmond Knight Added on Amazon Prime 2021-03-20. Youtube Trailer