Schoolboys discover that if sitting in a certain rocky cliff area in the forest, they can memorize anything they read there for exams the following day. Turns out the rocky cliff has a cave in which they make an incredible discovery.
Paťo
Jano
Boris
Ravadar
Museum Director
Tubar
Mogam
Scientist
Scientist
Czech Tourist
Czech Tourist
Grandpa Tokeš
Dr. Čerňan
Lieutenant
Čerňanová
Vrabec
Teacher
Turčan
Turčanová
Physics Teacher
Vrabcová
Elder
Jano (voice)
Boris (voice)
Museum Director (voice)
Czech Tourist (voice)
Czech Tourist (voice)
Grandpa Tokeš (voice)
