He is best known for appearing in TV films such as Peter The Great, Anastasia: The Mystery of Anna and Anne Frank: The Whole Story.
[1] Niklas made his first television appearance on an episode of the German TV series Sonderdezernat K1 as Juniorchef.
[2] Niklas received a Golden Globe nomination for Best Performance by an Actor in a Mini-Series or Motion Picture Made for Television, but lost to James Woods (Promise).
However, later that same year, his "style and flair" was recognized throughout the industry,[1] and brought him to the historical drama Anastasia: The Mystery of Anna in which he portrayed Prince Erich.
He stayed unnoticed for a while, until in 2001 he was cast as Fritz Pfeffer in the Emmy Award-winning miniseries Anne Frank: The Whole Story.