Though he started acting at age three, he wasn't in films until he was 31.
Was a close friend of Charlton Heston.
Was a heavy smoker until 1986, just the decade before he was diagnosed with lung cancer.
Was also good friends of John Mills's entire family.
Was an active Republican.
Was best friends with: Adam West, Michael Landon, James Best, Burt Reynolds, Sean Connery and Maureen O'Hara.
Was diagnosed with emphysema and lung cancer. He also had financial problems and was depressed by the suicide of his daughter, which eventually led to his own suicide.
Was fluent in Russian.
Was offered the role of Deke Thornton in The Wild Bunch (1969), but turned it down, because he was under contract working on "Family Affair" (1966).
Was originally going to be an actor, but it was delayed by World War II.
Was raised in Long Island, New York, by his grandmother.
Was raised in the same area as Telly Savalas.
Was very disappointed when "Family Affair" (1966), was canceled at the end of the fifth season, because CBS began leaning towards more adult-oriented sitcom fare.