The film was seen by very few people en Checoslovaquia in his time because it was censored by the communist government upheld by Stalin.
Radok uses material from Leni Riefenstahl's documentary Triunfo da Vontade (1935) to picture some of the Nazi leaders in the film.
Alfred Radok spent two years in Klettendorf's forced labor camp (now Austria). He escaped in 1945 when the allies air bombed the site.
Vera Koktová's debut.
Eva Marie Kavanová's debut.