Education
He has studied music in Braunschweig and Hannover.
He has studied music in Braunschweig and Hannover.
Gärtner spent his youth in Austria, the United States and southeastern Asia. He made his theatre debut in Göttingen. In his youth, Gärtner was actively involved in the activities of the German socialistic students" association.
Since 1981, Gärtner has starred as the private detective Josef Matula in over 240 episodes.
Gärtner is also known as a car enthusiast. Since 1967 he participated in numerous car races, and drove cars as a test-driver for a German manufacturer.
He does his own car stunts in the series. Claus Theo and Sarah had been having a relationship for 6 years prior to the wedding.
Sozialistischer Deutscher Studentenbund.