Famed for roles such as the zany Bubble in Absolutely Fabulous, musical film Little Voice and a 10-year run in the Tesco ads (‘every little helps!’), Jane Horrocks is one of Britain’s best-known actresses. And now, the Lancashire star, 56 – who with her partner, screenwriter Nick Vivian, has grown-up children, Molly, 21, and Dylan, 23 – takes on the role of pushy, colonial mother Sylvia Blackett, part of a family running a trading company in ITV’s sumptuous World War II period drama, The Singapore Grip. Chronicling the fall of the British Empire in South East Asia, and also starring David Morrissey and Colm Meaney, it tackles the imperialism and racism of the time – personified by Sylvia and her family. Here, Jane talks about filming in Asia, her next project…