una produzione Medusa Mediaset Group ; Motorino Amaranto, Indiana Production Company (logo) ; un film di Paolo Virzì ; soggetto e sceneggiatura, Francesco Bruni, Francesco Piccolo e Paolo Virzí ; diretto da Paolo Virzì
loosely based on "Wilner" by Hanns Kräly and Ernst Lubitsch ; Union ; directed by Ernst Lubitsch. Ernst Lubitsch in Berlin : from Schönhauser Allee to Hollywood / producer, Loy W. Arnold ; written and directed by Robert Fischer