 The former soap stars play ex-lovers in "Echo Beach", a post-watershed drama set in fictional coastal resort Polnarren.The show will run in tandem with "Moving Wallpaper", a sitcom starring Ben Miller as a producer desperate to make "Echo Beach" a success.The use of Cornwall as a film location has led to the establishment of ventures based in the area, including the £6 million South West Film Studios at St Agnes, now owned by Marilyn Gough, the Cornwall Film Fund, the Cornwall Film Festival, and the production company Mundic Nation.