Sorcha Cusack
From Tardis Wiki, the free Doctor Who reference
Sorcha Cusack (born 5 April 1949[1]) played Mary Carter in Master of the Daleks and Eye of Darkness.
Personal life
She is the sister of fellow Big Finish actress Niamh Cusack. Their father, Cyril Cusack, was one of several actors considered for the role of the First Doctor.[2]
Career
She played the titular Jane Eyre in 1973 with Michael Jayston as Mr Rochester.