Peter VaughanPeter Vaughan (born Peter Ewart Ohm; 4 April 1923 – 6 December 2016) was an English character actor known for many supporting roles in British film and television productions. He also acted extensively on the stage.
He was best known for his role as Grouty in the sitcom ''Porridge'' (despite appearing in only three episodes and in the 1979 film), and had a recurring role alongside Robert Lindsay in ''Citizen Smith'', written by John Sullivan. He played Tom Franklin in ''Chancer'' (1990–1991), the father of Anthony Hopkins's character in ''The Remains of the Day'', and Maester Aemon in HBO's ''Game of Thrones'' (2011–2015), his final role. Provided by Wikipedia