The Avengers
1966
Sylvia Coleridge was a British stage, film, radio and television actress. Her credits included Tess (1979), The Avengers, Dixon of Dock Green, The Onedin Line, Survivors, Blake's 7, The Tomorrow People, Z-Cars, Doctor Who, Shoestring, Angels, Rumpole of the Bailey, and Bleak House in 1985. Wikipedia