Jan Zika is the legendary hero of the communist resistance movement during World War II and leading functionary of the second underground Central Committee of the Communist Party of Czechoslovakia.
František Vicena
as Jan Zika
Wilhelm Koch-Hooge
as Friedrich
Zdeněk Kampf
as Nergl
Vlasta Vlasáková
as Milada
Eva Jiroušková
as Blazena Preislerová
Oldřich Velen
as Josef Preisler
Jürgen Frohriep
as Nemecký chirurg
Miloslav Holub
as Jankovský
Alena Walterová
as Ziková
Jindřich Narenta
as
Oto Ševčík
as
Josef Hajdučík
as radista Černý