Guest Stars Trystan Gravelle as Fabien Chanel Cresswell as Paulette Holli Dempsey as Holly Bronson Webb as Guy Chetna Pandya as Chief Shaun Parkes as Truss Neil Fitzmaurice as Niall Michael Smiley as Antoine Geff Francis as Gaspard Melanie Gray as Melody Sammy Williams as Davide Fady Elsayed as Henri Oliver Lansley as Sean Georgina Strawson as Dyer Harry Cheetham as Eli