Despite several broken needles I've been dedicating a special panel on the tapestry to when the Doctor was not the man you though he was.
William Hartnell played the Abbot of Amboise
in The Massacre (of St Bartholomew's Eve)
Patrick Troughton played Ramón Salamander
in The Enemy of the World
Tom Baker played Meglos in the story of the same name
Guess who's next to be added to the list?