- Was offered a cameo in the movie Land of the Lost (2009), but turned it down because he didn't like the script.
- Co-starred in two television series in the 1970s where he travels through time: in Land of the Lost (1974) he goes back in time and in Planet of the Apes (1974) he goes forward in time.
- Interviewed in Tom Weaver's book "I Talked with a Zombie" (McFarland & Co., 2008).
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