Guest Stars Pooky Quesnel as Louise Wilson Leon Harrop as Ralph Wilson Adam Wittek as David Nowak Travis George Smith as Mark Berwick Ibrahim Ismail as Ramesh Tommie Grabiec as Pavel Kaminski Daniel Cerqueira as Dr. Graves Harrison Newell-Parker as Bill Hibbs George Bukhari as Terry Norris Gemma Paige North as Sarah Hibbs Craig McDonald-Kelly as Gary Mallard Emelia Rae Levy as Emily Scott Lucy Gaskell as Sophie Berwick Michelle Tate as Linda Jude Akuwudike as Vincent Daniels Scarlett Hodgson as Maisie Fiona Luo as Ella Aaron Pierre as James Thorne Austin Haynes as Olly Alfie Porter as Harry Archie Cawthra as Sam Clare Holman as Grace Daniels Erin Shanagher as Mrs. Hankin William Fox as Mr. Elliot Marie Critchley as Mrs. Payne