Guest Stars Nadine Marshall as D.I. Sarah Torres Kate Bracken as Lucy Stevens Muna Otaru as Sheila Shaw Helene Maksoud as Ms Bashir Hector Abbott as Cal Ranhee Yoo as Maya Park Deya Du Preez as Elene Josh Coombes as Will Sturton Maria Forrester as Ketevan Gvazava Maisie Ayres as Maeve Tooney Sophia Carlo as Natia Beridze Emilio Villa-Muhammad as Tommy Shaw Tommy Oldroyd as Damian Eoin Lynch as Marcus Tillman Jack Ryder as Frank Turner Nicola Sloane as Nurse Vi Froggat Aaron Garland as Hero Teenager Lucy Black as Kerry Tooney Gus Barry as Robbie Tooney