Ed Bishop
Actor Ed Bishop  lent his voice to the  episode  as Asmodeus.

Based out of the UK for most of his career, Bishop is best known for his starring role as Commander Ed Straker on the British science fiction series UFO and providing the voice of Captain Blue in the series Captain Scarlet and the Mysterons. He also appeared in the 1968 sci-fi classic 2001: A Space Odyssey, starring TOS guest star Gary Lockwood.

Bishop died of a virus in 2005, just five days after his UFO co-star Michael Billington.

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Performers
TAS performers