After a bad day at work, a fairground performer sets out to disprove the theory of heredity so that he can marry his sister.
The Guesser
Y / Other Sister
Trofim
Z
Skeptical Woman
Guessing Inspector
Quarantine Marriage Official
Substitute Guesser
Day Guesser
Lab Assistant
Pocketwatch Man
Fish Monger
Smug Man with Gun
Crank Man
Fun Rations Woman
Peasant / Dancer
Peasant Carnival-goer
Peasant Woman
Carnival Goer
Professor / Peasant
