Dirk Bielefeldt (born 1957 in Hamburg) is a German actor and cabaret artist, particularly famous for his role of the policeman, Herr Holm.

[3] Bielefeldt then took an acting course with Philippe Gaulier in Paris, and participated in various street theatre groups, where he developed the character Herr Holm.

In 1991, Bielefeldt debuted in the cabaret production Herr Holm – Keiner für alle.

Soon afterwards, Bielefeldt was a partner of Peer Augustinski in the series Comedy Club, mostly playing Herr Holm, but also appearing as the caretaker Mock.

The series only ran for a short time, but excerpts from it are still broadcast, adding to the popularity of Bielefeldt and Herr Holm.