Gregory Peck character Dr. Josef Mengele
Laurence Olivier character Ezra Lieberman
James Mason character Eduard Seibert
Lilli Palmer character Esther Lieberman
Uta Hagen character Frieda Maloney
Steve Guttenberg character Barry Kohler
Denholm Elliott character Sidney Beynon
Rosemary Harris character Mrs. Doring
John Dehner character Henry Wheelock
John Rubinstein character David Bennett
Bruno Ganz character Professor Bruckner
Anne Meara character Mrs. Curry
Walter Gotell character Mundt
Wolfgang Preiss character Lofquist
Michael Gough character Mr. Harrington
Linda Hayden character Nancy
Günter Meisner character Farnbach
Jeremy Black character Jack Curry / Simon Harrington / Erich Doring / Bobby Wheelock
Prunella Scales character Mrs Harrington
Richard Marner character Doring
Carl Duering character Trausteiner
David Hurst character Strasser
Wolf Kahler character Schwimmer
Joachim Hansen character Fassler
Georg Marischka character Gunther
Sky du Mont character Hessen
