- In the 1950s he became a member of Roger Corman's unofficial stock company. Like other members of the group, he would do a variety of jobs in addition to acting.
- In July 2005 he appeared as a guest at the Western Film Fair in Charlotte, NC, along with Ty Hardin, Donna Douglas, Richard Anderson, Elena Verdugo, Adrian Brian, Henry Darrow and Jo Morrow.
- He and Barbara Parkins were the only two actors who appeared in the first episode of Peyton Place (1964) in 1964 and the final episode in 1969. They were the only stars who received screen credit for every episode (although not necessarily appearing in every episode) during the series' five-year run.
- Despite playing Harry S. Truman in a one-man touring production of "Give 'Em Hell, Harry", he was a Republican.
- Interviewed in Tom Weaver's book "Attack of the Monster Movie Makers" (McFarland & Co., 1994).
- Father of Christopher S. Nelson.
- His father was of English, and some Scottish, descent. His mother was of French ancestry.
- Father-in-law of Asta Hansen.
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