Wolf Kahler is a German stage, film, television, and voice actor. From 1975–2012, he appeared in many English language US and UK television and film productions. One of his early roles was Kaiser Wilhelm II in Michael York's adventure film The Riddle of the Sands. One of his most well-known roles was that of Herman Dietrich in Raiders of the Lost Ark. His voice also appeared in video games including as Kaiser Vlad in Battalion Wars.