The actor Angus MacKay has died at the age of 86.
Angus MacKay appeared in five episodes of Doctor Who.
He played Chancellor Borusa in the 1976 story The Deadly Assassin, the first time the Doctor's old teacher was seen in the series. He returned to the show in 1983 alongside the fifth Doctor playing the Headmaster in the story which introduced Turlough, Mawdryn Undead.
Away from Doctor Who he had numerous television credits in productions such as One Foot in the Grave, Only Fools and Horses, Howards' Way, The Professionals, Steptoe and Son, The Sweeney, Minder and Z-Cars.