Margaret John

Margaret John (14 December 1926-2 February 2011 ) appeared in two Doctor Who television stories: as Megan Jones in Fury from the Deep and Grandma Connolly in Tardisode 7 and The Idiot's Lantern.

Her 38 years between Doctor Who appearances was one of the longest at the time.

Career
Her television career spanned over five decades, from Bronwen in a 1960 BBC production of to Old Nan in the first season of HBO's Game of Thrones, which aired after her death in 2011.