Butler was an assistant to Sir Charles Grover and Professor Whitaker during Operation Golden Age. He was knocked out by the Third Doctor and arrested by UNIT when they raided their bunker. (TV: Invasion of the Dinosaurs)

Behind the scenesEdit

  • In Malcolm Hulke's novelisation of the story, but not in the televised version, Butler had a scar on his left cheek from when he was a firefighter, sustained by having fallen through a plate glass roof after having rescued and passed to safety a child who had crawled out onto a high ledge.
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