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Ewald Balser
as Professor Lorenz
Viktor de Kowa
as Philipp, sein Sohn
Maria Landrock
as Monika, seine Tochter
Gustav Knuth
as Georg, sein Sohn
Curd Jürgens
as Petersen
Paul Bildt
as Professor Mylius
Erich Ponto
as Pauly
Marianne Simson
as Klaudia
Max Gülstorff
as Quandt
Ernstwalter Mitulski
as Blode
Paul Verhoeven
Director
