Guest Stars Orla Bayne as Young Holly Mark Strepan as Rory Sawyer Emun Elliott as Alistair McDermid Sorcha Groundsell as Elizabeth Smith Evie Brassington as Young Georgia Chris Fulton as Charlie Lamont-Smith Daisy Littlefield as Lisa Grace Greatorex-Watson as Milly Jack Bannon as James Buxton Harris Dickinson as Sam Kåre Conradi as Lukas Steiner Niall Bayne as Sean Sonny Flexen as Will Eubha Akilade as Receptionist Cherry Campbell as Elly Kevin O'Loughlin as Solasta Employee