Jonas Dassler was born in Remscheid in 1996 and began his acting training at the Ernst Busch Academy of Dramatic Arts at the age of 18. He can be seen alongside Franz Rogowski, Maresi Riegener and Angela Winkler in films like Uns geht es gut (We're Doing Fine) and Lomo - The language of many others, which was nominated for Best Film at the Studio Hamburg awards for young filmmakers in 2017. In 2016 Dassler portrayed Ehrenfried May in Florian Henckel von Donnersmarck's film Werk ohne Autor (Work without Author). In 2017 he was part of the main cast in Lars Kraume's film Das schweigende Klassenzimmer (The Silent Classroom), adapted from Dietrich Garstka's book of the same name, based on a true story. In addition to Iris Berben, Moritz Bleibtreu and Peter Kurth, Dassler also appears in Die Protokollantin (The Transcriber), Nina Grosse's new series for ZDF. At Berlin's Schaubühne he can be seen in the lead role in Dantons Tod (Danton's Death) by Georg Büchner, directed by Peter Kleinert. Dassler has been a member of the Gorki ensemble since the 2017/18 season.