Karlheinz Böhm was an Austrian actor. The son of conductor Karl Böhm, he is best known internationally for his role as Mark, the psychopathic protagonist of Peeping Tom, directed by Michael Powell. Before that, he had played the young Emperor Franz Joseph I of Austria in the three Sissi movies. He made three notable U.S. films in 1962. He played Jakob Grimm in the 1962 MGM-Cinerama spectacular The Wonderful World of the Brothers Grimm and Ludwig van Beethoven in the Walt Disney film The Magnificent Rebel. (The latter film was made especially for the Disney anthology television series, but was …