From Wikipedia the free encyclopedia Frank Clarke 29 December 1898 12 June 1948 was a Hollywood stunt pilot actor and military officer His most prominent role was as Lieutenant von Bruen and double for von Richthofen in combat scenes in the 1930 production Hells Angels but he flew for the camera and performed stunts in more than a dozen films in the 1930s and 1940s Clarke was killed in an aircraft crash near Isabella California in 1948