Rilis: Apr 07, 1972
Runtime: 1:47:31 menit
Bintang Aktor: Rudolf Hrušínský, Lubomír Kostelka, Antonín Soukup, Josef Beyvl, Štefan Winkler, Josef Kemr
Crew: Táňa Čermáková (Assistant Director), Zdenek Sirový (Director), Jiří Křižan (Screenplay), Jack London (Short Story), Zdena Kadrnožková (Costume Design), Naďa Škapová (Costumer)