Brooklyn-born Don Diamond's most famous role is probably that of the scheming and ambitious, but inept and somewhat cowardly, underling Crazy Cat to Frank DeKova's Chief Wild Eagle in the cult western comedy series F Troop (1965). By the time he got that role he had been an actor for quite some time, starting out in radio in the early 1940s, where he discovered that he had a knack for picking up dialects, especially Spanish. He became so proficient in it that many believed he was actually Spanish or Mexican, when in reality his family came fro…