Home People Mark Keller Mark Keller shows Mark Keller shows Mark Keller TV Shows (24) Wer weiß denn sowas? (2015) As himself, He was 61 years old Quizduell (2014) As himself, He was 60 years old Der Bergdoktor (2008) As Dr. Alexander Kahnweiler, He was 54 years old Lafer! Lichter! Lecker! (2006) He was 52 years old Ladyland (2006) As Clive, He was 52 years old SOKO Köln (2003) As Thomas Kiesling, He was 49 years old Popclub (2002) As himself, He was 48 years old SOKO Leipzig (2001) As Roy Reisinger, He was 47 years old Law & Order: Special Victims Unit (1999) He was 45 years old Volle Kanne (1999) As himself, He was 45 years old Der Clown (1998) As André Fux, He was 44 years old Alarm for Cobra 11: The Motorway Police (1996) As André Fux, He was 42 years old Die Harald Schmidt Show (1995) He was 41 years old Einsatz für Lohbeck (1994) As Polizeiobermeister Christian Seifert, He was 40 years old Sterne des Südens (1992) As Christoph, He was 38 years old Riverboat (1992) As himself, He was 37 years old Fort Boyard (Deutschland) (1990) As himself, He was 36 years old ZDF-Fernsehgarten (1986) As himself, He was 32 years old A Case For Two (1981) As Mike Wagner, He was 27 years old A Case For Two (1981) As Jan Kopp, He was 27 years old SOKO 5113 (1978) As Hannes Hallberg, He was 23 years old SOKO 5113 (1978) As Helge Uhland, He was 23 years old Scene of the Crime (1970) As Thorwald, He was 16 years old Scene of the Crime (1970) As Lukas Thorwald, He was 16 years old