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