Guest Stars Reece Braddock as Mauricio Oscar Braddock as Mauricio Keeley Hawes as Suze Beaumont Ed Skrein as Anthony Walsh Paul Ready as Benji Robertson Mia Goth as Sophie Campbell Liz Smith as Harriet Stone Rebecca Saire as Sophie's Mother Pascal Laurent as Jean-Claude Delplanque Emma Campbell-Jones as Grace Elizabeth Rider as Neighbour Dan Fredenburgh as Doctor Clacy Mark Spalding as Asst Chief Constable Gerry Bryant Ben Abell as Reporter Polly Frame as WPC Mark Powley as Vernon Campbell Marie Berto as Catherine Leclerc Olivier Cruveiller as Deblicker Carlotta Antonucci as Léa Simon Koukissa as Simon