William Fulton Beith Mackay OBE (12 August 1922 – 6 June 1987) was a Scottish actor and playwright, best known for his role as prison officer Mr. Mackay in the 1970s television sitcom Porridge.
William Fulton Beith Mackay OBE (12 August 1922 – 6 June 1987) was a Scottish actor and playwright, best known for his role as prison officer Mr. Mackay in the 1970s television sitcom Porridge. (en)