Question: Who is the filmmaker in each paragraph?

Context paragraphs:
The Stone Rider: The Stone Rider (German:Der steinerne Reiter) is a 1923 German silent drama film directed by Fritz Wendhausen and starring Rudolf Klein-Rogge, Lucie Mannheim and Gustav von Wangenheim.

Gustav von Wangenheim: Gustav von Wangenheim (born Ingo Clemens Gustav Adolf Freiherr von Wangenheim; 18 February 1895 – 5 August 1975) was a German nobleman, actor, screenwriter and director.

Supporting paragraphs: The Stone Rider Gustav von Wangenheim
Answer: Gustav von Wangenheim