August Diehl

as Josef Mengele

Max Bretschneider

as Rolf Mengele

David Ruland

as Hans Sedlmeier

Dana Herfurth

as Irene Mengele

Burghart Klaußner

as Karl Mengele

Friederike Becht

as Martha Mengele

Carlos Kaspar

as Alexander Eckstein

Heinz K. Krattiger

as Jung