Richard Ireson
From Tardis Wiki, the free Doctor Who reference
Richard Ireson (born 16 December 1946[1]) appeared in two Doctor Who television stories: as a Clockwork soldier in The Mind Robber and Axus in The Krotons. He also played the uncredited role of the Minotaur in The Mind Robber. (DWM 245)
He shared his memories of The Krotons on the DVD's audio commentary.