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 ; consulting scholar, Samuel D. Kassow ; executive producers, Nancy Speilberg, Ronald S. Lauder, Al Berg, Ori and Mirit Eisen, Anna Różalska, Philippa Kowarsky
a film by Sandi Simcha Dubowski ; [presented by] Simcha Leib Productions and Turbulent Arts in association with Keshet Broadcasting, Ltd. (Israel) in co-production with Pretty Pictures (Paris) and Cinephil, Ltd. (Tel Aviv) ; produced by Sandi Simcha Dubowski and Marc Smolowitz in creative collaboration with and edited by Susan Korda