Guest Stars Synnove Karlsen as Polly Hillinghead Amy Manson as Charlotte Hillinghead Derek Riddell as Chief Inspector Calloway Emily Barber as Kathleen Squires Chloe Raphael as Esther Jankovsky Philippa Dunne as Lorna Dunnet Anthony O'Donnell as Clive Jones Antony Somers as Pub Landlord