producer & correspondent, Ramita Navai ; producer & director, Sam Collyns ; a Ronachan Films production for WGBH/FRONTLINE and Channel 4 in association with Arte
Karbe Film & Day for Night present ; in coproduction with ZDF and in collaboration with ARTE ; in coproduction with Ushuaïa ; producers, Lena Karbe, Jan Vasek ; written by Tristan Coloma ; written and directed by Lena Karbe
Filmtank ; a film by Niels Bolbrinker and Thomas Tielsch ; buch, regie und montage, Niels Bolbrinker and Thomas Tielsch ; produzent, Thomas Tielsch ; in koproduktion mit ZDF, in zussammenarbeit mit ARTE
produced by Gebrueder Beetz Filmproduktion ; in coproduction with ZDF ; in association with ARTE ; written and directed by Lutz Gregor ; produced by Christian Beetz