Isabella Fitzwilliam was the wife of Sir Ranulf Fitzwilliam and the mother of Hugh Fitzwilliam.
She was imprisoned in the dungeon by Sir Gilles Estram to ensure her husband's obedience to King John. The Master later freed them, claiming that the Doctor was manipulating the King.
Biography from the Tardis Wiki article, licensed under CC-BY-SA
The Wheel In Space: Episode 4 was broadcast in 1968 at 6:00pm, watched by 8.60 million viewers.
Planet of the Spiders: Part Three was broadcast in 1974 at 5:40pm, watched by 8.80 million viewers.
John Abineri (died 2000 aged 72) would be 85 today - 4 credits, including Carrington in The Ambassadors of Death
Walter Fitzgerald (died 1976 aged 80) would be 117 today - credited as Senex in The Dominators
Steven Moffat thanks the fans
Frontios and Resurrection of the Daleks on UKTV
Doctor Who Tops April iPlayer Charts
