Lois Baxter
From Tardis Wiki, the free Doctor Who reference
Lois Baxter (born 26 April 1947[1]) played Lamia in the Doctor Who television story The Androids of Tara. She also voiced Carrion in the Big Finish Doctor Who audio Spring and Celethua in the Bernice Summerfield audio The Adolescence of Time.
She is married to David Savile.
Baxter was named by Gary Russell as his preferred choice to play the character Nypp in an imaginary film version of his 1995 Virgin Missing Adventures novel, Invasion of the Cat People.