Wanda Ventham (1935 - )
The Blood Beast Terror (The Vampire Beast Craves Blood) (1968) [Clare Mallinger]: Burned to death (while in her giant-moth form) when she flies into the flames after Peter Cushing starts a fire.
Captain Kronos, Vampire Hunter (1974) [Lady Durward]: Stabbed in the stomach with a crucifix-sword by Horst Janson when she attacks him; her body rapidly ages and turns into a skeleton after her death.
Doctor Who: Image of the Fendahl (1977) [Thea Ransome]: After being possessed by the alien consciousness and transformed into a golden-skinned "Fendahl Core" being, she is destroyed when the priory is blown up.
Wife of Timothy Carlton
Mother of Benedict Cumberbatch