For the movie "Der Student von Prag" (1913) he also created the costumes.
The art director Robert A. Dietrich belonged to the pioneers of the German film.
After an education at the university for architecture in Portland he gained a foothold in the film business in 1911.
The most active period for Robert A. Dietrich followed in the 20s and he was responsible for the decoration for numerous entertainment films.
When the sound film replaced the silent movies Robert A. Dietrich remained a demanded art director, especially during the 30s.
At the beginning of his career he was often engaged by director Urban Gad and his movie star Asta Nielsen, later followed many other engagements for other well-known directors in Germany.