Frances de la Tour of Fire" (2005) and "Harry Potter and the Deathly Hallows – Part 1" (2010). Other television roles include Emma Porlock in the Dennis Potter serial "Cold Lazarus" (1996), Headmistress Margaret Baron in BBC sitcom "Big School" and Violet Crosby in the sitcom "Vicious". De la Tour was born in Bovingdon, Hertfordshire, to Moyra (née Fessas) and Charles de la Tour (1909–1982). The name was also spelt De Lautour, and it was in this form that her birth was registered in Hemel Hempstead, Hertfordshire, in the third quarter of 1944. She has French, Greek, and Irish ancestry. She was educated at
Frances de la Tour London's "Lycée Français" and the Drama Centre London. She is the sister of actor and screenwriter Andy de la Tour, and was briefly married to playwright Tom Kempinski. She has a son and a daughter. An episode of the BBC series "Who Do You Think You Are?", first broadcast on 22 October 2015, revealed De La Tour to be a descendant of the aristocratic Delaval family. After leaving drama school, she joined the Royal Shakespeare Company (RSC) in 1965. Over the next six years, she played many small roles with the RSC in a variety of plays, gradually building up