Horst Janson was born on October 4, 1935 in Mainz-Kastel, Wiesbaden, Hessen, Germany. He is known for Captain Kronos: Vampire Hunter (1974), Der Bastian (1973) and Härte 10 (1974). He has been married to Helgardt 'Hella' Ruthardt since June 10, 1982. They have two children. He was previously married to Monika Lundi.
