Donald Alan "Don" Diamond (June 4, 1921 – June 19, 2011) was an American radio, film, and television actor who portrayed "Crazy Cat", the sidekick and heir apparent to Chief Wild Eagle on the popular 1960s television sitcom, F Troop (1965–1967).
Although he often played a Spaniard, Mexican or Native American, Diamond's father, Benjamin Diamond, emigrated to the United States from Russia in 1906 with his parents. Benjamin Diamond served in the United States Army in World War II and then became a prosperous clothing merchant. Benjamin and Ruth Diamond had another son, Neal, three years younger than Don.