Sheila Hancock

Dame Sheila Hancock (born 22 February 1933 ) played Helen A in the Doctor Who television story The Happiness Patrol.

She was also considered for the roles of Tanha in Snakedance (TCH 36) and Queen Katryca in The Mysterious Planet. (TCH 42)

Personal Life
She was married to The Evil of the Daleks guest actor Alec Ross.