Arte France, Wilton Films, Quark Productions présentent ; une film de Tania Rakhmanova ; écrit par Paul Mitchell et Tania Rakhmanova ; réalisation, Tania Rakhmanova
1895 Films a Tom Jennings production for National Geographic Channel International and PBS ; director, Tom Jennings ; producer & editor, David Tillman ; producer, Liza Maddrey
Rosemont Pictures presents ; executive producer, Percival Beacroft ; produced & directed by Brian Gary ; written by Wendi Berman & Brian Gary ; producer, Wendi Berman ; in association with Flying Chaucer Films LLC
written, produced and directed by Neil Docherty ; senior producer, Julian Sher ; a Frontline production with the Canadian Broadcasting Corporation ; WGBH