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
with Mark Massi and Tom Joslin ; produced and directed by Tom Joslin and Peter Friedman ; co-producers Doug Block, Jane Weiner ;produced in association with Channel Four Television and J. P. Weiner Productions