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 NOVA Production by Lone Wolf Pictures for WGBH/Boston ; directed by Kirk Wolfinger ; written and produced by Rushmore DeNooyer, Geoffrey Little & David Espar
project director, Jonathan Burack ; director, Jon Aleckson ; produced for Knowledge Unlimited by Golden Communications Associates ; Jeffrey Golden, producer
Impossible Pictures for BBC ; historical consultant & co-writer, Alan Ereira ; executive producer for BBC, Adam Kemp ; executive producer, Jasper James ; produced & directed by Nick Murphy