Gregory Peck (Dr. Josef Mengele)
Laurence Olivier (Ezra Lieberman)
James Mason (Eduard Seibert)
Lilli Palmer (Esther Lieber-man)
Uta Hagen (Frieda Maloney)
Wolf Kahler (Schwimmer)
Georg Marischka (Gunther)
Richard Marner (Doring)
Günter Meisner (Franbach)
Wolfgang Preiss (Lofquist)
Prunella Scales (Mrs. Harrington)
Mervyn Nelson (Stroop)
Linda Hayden (Nancy)
Joachim Hansen (Fassler)
Jurgen Andersen (Kleist)
David Brandon (Schmidt)
Carl Duering (Trausteiner)
Walter Gotell (Mundt)
John Rubinstein (David Bennett)
Anne Meara (Mrs. Curry)
Jeremy Black (Bobby Wheeloc)
Jeremy Black (Erich Doring)
Jeremy Black (Jack Curry)
Jeremy Black (Simon Harrington)
David Hurst (Strasser)
Bruno Ganz (Prof. Bruckner)
Michael Gough (Mr. Harrington)
Steve Guttenberg (Barry Kohler)
Denholm Elliott (Sidney Beynon)
Rosemary Harris (Herta Doring)
John Dehner (Henry Wheelock)