Guest Stars Charlie May-Clark as Cathy Calvert Kate O'Flynn as Dr. Peep Hannah Walters as Connie Ball Mia Blakeley as Tessa Kowalska Hanna Bieniuszewicz as Magda Kowalska Siobhán McSweeney as Ruth Cheetham Frog Stone as Tatu Adam Mercer as Chubby Rebecca Manley as Suzanne Hyatt Aneta Piotrowska as Masseuse Craig Cheetham as Joseph Raphael Howard Grace as Fire Chief Joy McAvoy as Angelina Costeros