Michael Schweighöfer

as Grischa

as Heiner

as Herr Fricke

as Bauleiter

as Professor Lüttmann (1 episode)

as Dick Scoggs

as Prof. Kleber

as Oberkommissar Micha

as Polizeirat Wettstein

as Herr Bollandt

as Papa

as Walter

as Prof. Schellhorn

as Pater Johannes

as Mentor

as Herr Tresko (1 episode)

as Jobst

as Ludger Brake (1 episode)

as Taxi Driver

as Kern

as Stefan Kreckmann (1 episode)

as Grambke

as Paul (1 episode)

as Hermann Korting (1 episode)