Stuart Rosenberg Director Faye Dunaway Denise Kreisler Actor Max von Sydow Captain Schroeder Actor Oskar Werner Professor Egon Kreisler Actor Malcolm McDowell Max Gunter Actor Orson Welles José Estedes Actor James Mason Dr. Juan Remos Actor Lee Grant Lili Rosen Actor Ben Gazzara Morris Troper Actor Katharine Ross Mira Hauser Actor Luther Adler Professor Weiler Actor Paul Koslo Aaron Pozner Actor Michael Constantine Luis Clasing Actor Nehemiah Persoff Mr. Hauser Actor José Ferrer Manuel Benitez Actor Fernando Rey President Bru Actor Lynne Frederick Anna Rosen Actor Maria Schell Mrs. Hauser Actor Helmut Griem Otto Schiendick Actor Victor Spinetti Dr. Erich Strauss Actor Julie Harris Alice Fienchild Actor Janet Suzman Leni Strauss Actor Wendy Hiller Rebecca Weiler Actor Sam Wanamaker Carl Rosen Actor Denholm Elliott Admiral Canaris Actor Robert Fryer Producer