The first professional animated film by Petr Sís, who later became the great children's author-illustrator Peter Sís after emigrating to America. Based on an odd satiric story by Miloš Macourek; purportedly banned in Czechoslovakia upon its release.
Director of Photography: Jiří Ševčík
Screenplay: Peter Sís
Story: Miloš Macourek
Director: Peter Sís