Margot was born in September 1949. Growing up in Middleton in Lancashire she attended Bury Grammar school, whose theatre trips to Stratford on Avon, the Manchester Exchange and Octagon Theatre, Bolton, led to her interest in acting. On leaving school she read English, aptly enough at the University of Leicester, and on graduation worked in repertory theatres around the country. In 1972, whilst appearing at the Dukes Theatre, Lancaster, she met the director David Thacker and they married two years later, eventually raising four children.…