director, Frank Garbely ; written by Frank Garbely, Martin Witz ; production, Adrian Zschokke ; a coproduction of R-Film GmbH, Aïe Productions SA, Télévision Suisse Romande [and 4 others] ; producer, Keith McClennan
una produzione, Paranoiko Pictures ; in coproduzione con SRG SSR [and 4 others] ; a film by Niccolò Castelli ; produced by Niccolò Castelli ; directed by Niccolò Castelli ; written by Niccolò Castelli and Ursina Haller