Guest Stars Pooky Quesnel as Louise Wilson Leon Harrop as Ralph Wilson Ibrahim Ismail as Ramesh Adam Wittek as David Nowak Tommie Grabiec as Pavel Kaminski Travis George Smith as Mark Berwick Craig McDonald-Kelly as Gary Mallard Emelia Rae Levy as Emily Scott Lucy Gaskell as Sophie Berwick Jude Akuwudike as Vincent Daniels Aaron Pierre as James Thorne Jennifer Hennessy as Beth Jack Hartley as Emmett Jayshree Patel as Head Teacher