Mark Of The Tortoise
Directors: Alfred Vohrer (director)
Writers: Eberhard Keindorff (writer), Johanna Sibelius (writer)
Cast: Gotz Georg as Don Micklem, Hildegard Knef as Laura Lorelli, Richard Munch as Marchese Mario Orlandi
Released 1964
A film based on .
"The nephew of a murdered millionaire decides to track down his uncle's killer. He faces many life-threatening dangers as he tries to break into the inner circle of the sinister criminal 'The Tortoise'."