Penelope Wilton, OBE is an English actress. She starred with Richard Briers in the BBC situation comedy Ever Decreasing Circles.
She is also known for playing the character of Lady Mary's mother-in-law and Grandmother to her child Isobel Crawley in the period drama Downtown Abbey, Ruth in the film Calendar Girls, and Homily in the films The Borrowers and The Return of the Borrowers. Wilton has also starred alongside David Tennant as fictional Prime Minister of The Golden Age as Harriet Jones in Doctor Who, Scarlett Johansson as Eleanor Hewett in her best known movie Match Point and Donald Sutherland as Mrs Gardiner in Pride & Prejudice.