Myfanwy Talog Williams (Welsh pronunciation: [məˈvanuɨ ˈtalɔɡ] 31 March 1944 – 11 March 1995), known professionally as Myfanwy Talog, was a Welsh actress and the long-term partner of English actor David Jason.
She worked as a teacher before pursuing an acting career and appeared mainly on Welsh-language television, comedy and children's programmes.
For the Welsh audience, she played the character of Phyllis Doris, the family's teen daughter in the comedy series Ryan and Ronnie.
[4] She also appeared in the British TV shows The Magnificent Evans, Bread, Ryan and Ronnie, Within These Walls, A Sharp Intake of Breath, Crossroads, Butterflies, Yes, Prime Minister and Waiting for God.
In 2006, on the anniversary of her birthday, a plaque was unveiled by her brother in her memory, placed on her former family home in Caerwys.