a Polish Film Institute co-financed production ; a film by Eric Bednarski ; written and directed by Eric Bednarski ; producer, Dorota Przyłubska, Pado Studio Film
Katahdin Productions and Match&Spark present ; in association with ARTE and NDR, and The Emanuel Ringelblum Jewish Historical Institute ; a film by Roberta Grossman ; written, produced and directed by Roberta Grossman
wyboru dokonali Marian Marek Drozdowski, Eugeniusz Kusielewicz ; wstęp i opracowanie, Marian Marek Drozdowski ; tłumaczenie tekstów angielskich, Stanisław Tarnowski