Werner von Basil, a Austrian intellectual, was captured by the Nazis in 1938. They want to break him to confess smuggling. Without any mental sustenance, the only thing left to keep his mind busy is an old tactics book for chess.
Curd Jürgens
Werner von Basil
Claire Bloom
Irene Andreny
Hansjörg Felmy
Hans Berger
Mario Adorf
Mirko Centowic
Hans Söhnker
Bishop Ambrosse
Rudolf Forster
Hotelmanager
Jan Hendriks
First Officer
Albert Lieven
Hartmann
