introduction de Gilbert Badia ; interviews de Klaus Berger ... [and others] par Gilbert Badia ... [and others] ; [traductions de Gilbert Badia and others]
a film by Stefan Roloff ; executive producers, Stefan Roloff, Daniel Elias, David Houts ; produced for ZDF by When 6 is 9 Productions in association with Hybrid Films
Fox 2000 Pictures presents ; a Sunswept Entertainment production ; directed by Brian Percival ; screenplay by Michael Petroni ; produced by Karen Rosenfelt, Ken Blancato ; made in association with TSG Entertainment and the Blair Partnership, in association with Studio Babelsberg