Guest Stars Daniel Adegboyega as Pierre Martineau Keith McErlean as Albie Garston Adam Isla O'Brien as Ryan Henshall Barry John Kinsella as Michael Whithall Sophie Mensah as Cheryl Lee Cal O'Driscoll as Ollie Charlie Geany as Young Daniel age 12 Holly Sturton as Beatrice Garston Chris Newman as Remy Darcey Campion as Harper age 13 Helen Norton as Mary Ann Bolt Danielle Ryan as Ana Dao Ciara Kelly as Sarah age 13 Áine Hayden as Serafina Paul Elliott as Unit Commander
