ट्रिविया

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).