Sister Productions, Close Up Films, Brainworks present ; a co-production with ARTE France, RTS - Radio Télévision Suisse ; a film written by Dorothée Frénot, Benoit Rossel, Caroline Coq-Chodorge ; directed by Dorothée Frénot, Benoit Rossel ; in collaboration with Xavier Sayanoff
Bullfrog Films presents ; a Big World Cinema production for TVE and BBC Worldwide ; Television Trust for the Environment ; executive producer, Jenny Richards ; series producer, Luke Gawin ; series editor, Robert Lamb ; producers, Steven Markovitz, Toni Strasburg ; directed by Toni Strasburg