Acting
- 1973Erziehung vor VerdunOberst Stein2 ep.
- 1970Botschafter morden nichtCreedy3 ep.
- 1967Geheimcode B/13Maler4 ep.
- 1963Tote reden nicht2 ep.
Guest appearances
- 1977Thirty Cases of Major Zema1 ep.
Also known as: Ralph Joachim Boettner · Ральф Бётнер · Karl Nikolaus Ralf Joachim Böttner