written and directed by Bernd Reufels, Ioanna Engel ; production Kelvinfilm, Jutta Erlebach ; production ZDF, Alexandre Kegler, Sigrid Beck ; produced by Kelvinfilm
a report by Patrick Zeilhofer and Volker Wasmuth ; production ZDF, Alexandre Kegler, Sigrid Beck ; a production of Blue moon media & Die Medienmacher on behalf of ZDF