A Swiss bank discovers some of its clients are becoming the victim of a brilliant blackmailer. The bank's president contacts David Christopher, a former agent with the U.S. Treasury, to help discover who the blackmailer is and to foil his plot. As Christopher delves into the mystery, he uncovers a complicated web of intrigue, car chases, and shoot-outs that takes all of his wits to unravel.
David Janssen , Senta Berger , John Ireland , John Saxon , Ray Milland , Elke Sommer , Anton Diffring , Arthur Brauss , Curt Lowens , David Hess
Warner Bros. Pictures
