English millionaire Sir Cyrus Bradley is being blackmailed by “The Tortoise” Crime Syndicate. He is to pay £ 100,000.00 Pounds to stay alive and not be murdered. After his refusal to pay the money, he is quickly killed. Cyrus‘ nephew, Don Micklem, plans to avenge the death of his uncle and sets out on a quest to expose “The Tortoise“…
Director: Alfred Vohrer
Screenplay: Johanna Sibelius, Eberhard Keindorff
Writer: Will Tremper
Director of Photography: Bruno Mondi
Producer: Horst Wendlandt
Lorelli
Donald "Don" Micklem
Mario Orlandi di Alsconi
Inspektor Dickes
Crantor
Felix
Lady Helen Bradley
Sir Cyrus Bradley
Mark of the Tortoise (1964) - English Trailer