Billy Cornelius
From Tardis Wiki, the free Doctor Who reference
Billy Cornelius (born 18 August 1934[1]) had several small roles on Doctor Who, beginning with an uncredited one as Kal's double in An Unearthly Child. (DWMS Summer 1994) He was next the uncredited double for Ixta in The Aztecs. (DWM 266) He also played a man-at-arms in The Crusade and a Morok Guard in The Space Museum.
Cornelius appeared in several of the Carry On films in the 1960s and 1970s. His television appearances include The Avengers, Armchair Theatre, Z-Cars, No Hiding Place, The Saint, Randall and Hopkirk (Deceased) and Callan. His last known role was in the 1980 film The Long Good Friday.