Cast:
Jan Špilar, Ladislav Havel, Marek Levíček, Marek Orko Vácha, Alena Šejnohová
Production:
Česká televize, JesuPrague Film, Filmium
Gregor Mendel
Gregor Mendel (old)
Gregor Mendel (boy)
Host
Commentary (voice)
