Stefan SiewekeActing • 1979-10-12 • Kranenburg, GermanyNo biography available.Known For6.7Wunderkinder20113.6Don't Call Me Grandpa20155.2You're Not Alone20075.0Freiland2014Fan ClubNo Nerds have favorited Stefan Sieweke yet — be the first.All fan clubsFrom NerdspinFilmographyActor52015Don't Call Me GrandpaFilmSven Feldmann★ 3.62014FreilandFilmGedeon Hölting★ 5.02012TeilhardFilmModerator2011WunderkinderFilm★ 6.72007You're Not AloneFilmReiseleiter★ 5.2