According to the BBC, John, who also starred in the BBC Wales comedy High Hopes died in Swansea after a short illness. The actress, who received a BAFTA Cymru Lifetime Achievement award in 2009, starred as neighbour Doris in the Barry-based BBC hit comedy.
Gavin and Stacey co-star James Corden led the tributes on Twitter: “A great actress and an incredible lady. She will be missed.” he wrote. Mathew Horne, who played Gavin, sent this Twitter message: “Really sad to hear Margaret John has passed away. She was such a good woman and so fun to work with.”
Rob Brydon, who played Uncle Bryn in the series, also wrote: “Just heard the terribly sad news that Margaret John has passed away. What a wonderful person she was, everyone on G&S adored her.”
BBC Cymru Wales director Menna Richards praised John as ‘a cornerstone of the television and radio industry in Wales’. She said: “Her vitality, energy and enthusiasm endeared her to generations of people and I’d like to pay tribute to her for the immense pleasure she gave to her many fans in Wales and beyond.”
Her earlier career included a brief spell in Coronation Street in 1965 as well as a role in Z Cars, Dr Who, Dixon of Dock Green and Emmerdale Farm. A tribute programme, Margaret John: National Treasure, charting her career which spanned 50 years, will be shown on BBC One Wales on Sunday, 6 February, at 10.00 BST.