Political prisoners imprisoned in Yugoslavia will try to escape from prison by digging a channel under the ground and join the partisans.
Dušan Đurić
as Slobodan Radenik
Velimir Živojinović
as Viktor
Ljuba Tadić
as Troskot
Slavko Simić
as Krajnović
Zlatko Madunić
as Ravnatelj Karlović
Rastislav Jović
as Jernej
Nikola Simić
as
Vlastimir Velisavljević
as
Slobodan Aligrudić
as Albert
Josif Tatić
as Grujić
Julije Perlaki
as Antun Dežman
Milorad 'Mida' Stevanović
as Mesinger