Career
Born Robert Paul Arthaud, Arthur appeared in the 1949 war film Twelve O"Clock High as the comic relief–providing Sergeant McIllhenny, in the 1951 Billy Wilder film Ace in the Hole, and in the 1950s television program The Lone Ranger. Arthur was known for playing youthful teenage or young adult roles.
In his later years, Arthur became an activist for gay rights on behalf of senior citizens, and was involved with the Log Cabin Republicans.
Robert Arthur died in Aberdeen, Washington, on October 1, 2008, from heart failure, aged 83.