Guest Stars Inday Ba as Jane Winter Ben Alsford as Peter Bower Mary Woodvine as WPC Gowell David Walliams as Jon Fielding Sean Gilder as DS Langden Sarah Francis as Bella Fielding Amelia Curtis as Sasha Quinn Roger Swaine as Arthur Gatsby Gilly Gilchrist as Gerard Reidy Rhiannon Parry as Julie Reidy Susannah Corbett as Sally Fielding Tiran Aakel as Mr. Adjani Edward Allen as Paul Bower - Duffy's Son