The biggest single artwork theft in British history took place in 2003. Twenty years on, Olivia begins her quest to find out what really happened to The Madonna of the Yarnwinder. Writer, Producer and Presenter Olivia Graham Producer and Writer Emily Esson and Jack Kibble-White Sound Design and Composer Julian Corrie Actors Kenny Blyth, Peter Collins and Gavin Mitchell Story Consultants Graham Russell and Kirsty Williams Development and artwork by Sally Greig Lockwood Editorial Policy Matthew Eltringham Lawyer Rosalind McInnes Additional research by Elizabeth Ann Duffy and Anna Miles Executive Producer Elizabeth Clark Executive Editor Heather Kane-Darling Commissioning Editor Gareth Hydes