(written from a Production point of view)
Liam Sullivan (18 May 1923 – 18 April 1998; age 74) played the role of Parmen in the Star Trek: The Original Series third season episode "Plato's Stepchildren". He filmed his scenes between Monday 9 September 1968 and Thursday 12 September 1968, and on Tuesday 17 September 1968 at Desilu Stage 10. He costarred with Gary Lockwood in 1962's The Magic Sword.
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