Onder andere met: Gregory Peck (Dr. Josef Mengele), Laurence Olivier (Ezra Lieberman), James Mason (Eduard Seibert), Lilli Palmer (Esther Lieberman), Uta Hagen (Frieda Maloney), Steve Guttenberg (Barry Kohler (as Steven Guttenberg)), Denholm Elliott (Sidney Beynon), Rosemary Harris (Mrs. Doring), John Dehner (Henry Wheelock), John Rubinstein (David Bennett), Anne Meara (Mrs. Curry), Jeremy Black (Jack Curry/Simon Harrington/Erich Doring/Bobby Wheelock), Bruno Ganz (Professor Bruckner), Walter Gotell (Mundt), David Hurst (Strasser),