Penelope Wilton

Dame Penelope Alice Wilton (born 3 June 1946 ), styled Penelope, Lady Holm between 1998 and 2001, played Harriet Jones in the Doctor Who stories Aliens of London/World War Three, The Christmas Invasion and The Stolen Earth.

Career
She starred in Shaun of the Dead with fellow Doctor Who actors Jessica Hynes, Bill Nighy, Simon Pegg and Nick Frost. She has appeared in other TV shows, including Ever Decreasing Circles, The Borrowers and Downton Abbey.