Career
Stelzer was a leading actor in German cinema during the Nazi era. As well as appearing in dramas and light comedies, Stelzer also featured in more propagandistic works, including leading roles in the war films Stukas and, his final film. During the Second World War Stelzer served in the German Air Force.
In 1944 he was killed in a plane crash near Komáron Hungary, possibly as the result of enemy action.
Stelzer married Johanna Weyand in 1935 and, after a divorce, the German actress Maria Bard in 1940.