a film by Stefano Sardo ; an Indigo Film/Tico Film coproduction ; Pandastorm presents in association with Element Pictures ; subject, Stefano Sardo ; produced by Nicola Giuliano, Francesca Cima, Carlotta Calori ; directed by Stefano Sordi
director[s], Alexandra Weltz and Andreas Pichler ; producer, Eva Rink ; produced by Gebrueder Beetz Filmproduktion in co-production with ZDF/ARTE in association with YLE/FST co-productions