Sept. 1, 1956
Sept. 1, 1956
| Producers | |
| Original title | Tajemnica dzikiego szybu |
| Directors | Wadim Berestowski |
| Writers | Edmund Niziurski |
as Stefan Gola
as Kryza
as Miksa, ojciec Franka
as Miksina, matka Franka
as Rudniok, ojciec Karlika
as Zajączkowski, dyrektor szkoły
as Karlik Rudniok
as Franek Miksa