Ragna GuderianActingNo biography available.Known For9.0Rider Jack2015The Two of Us2010Fan ClubNo Nerds have favorited Ragna Guderian yet — be the first.All fan clubsFrom NerdspinFilmographyActor32015Rider JackFilm★ 9.02010The Two of UsFilmIngrid1970Scene of the CrimeTVValerie • 1 episodes★ 6.2