Guest Stars James Clack as Young Martin Jake Curran as Padraig Pearse O'leary Izabella Urbanowicz as Rosie Demarczyk Françis Renaud as Paul Capoue Héléna Soubeyrand as Clothilde Nathaniel Spender as Young Jean Vincent Riotta as DCI Tom Kendrick Itoya Osagiede as Efe Obriorah Kirsty Dillon as Lorraine Andrew Whipp as Gareth Petrice Jones as Tavoris Will Brown as Building Manager Harry Rafferty as Bent Albie Marber as Nelson's Messenger
