Guest Stars Louis Serkis as Johnny Williams Gerran Howell as Rhys Simpson Mark Lewis Jones as Caleb Williams Carly-Sophia Davies as Sadie Simpson Natalia Kostrzewa as Eva Bartosz Eiry Thomas as PC Jane Crowther Michael Obiora as Scott Foley Sharon Morgan as Gwen Thomas Marcin Zarzeczny as Pavel Waj Ali as Khalad Rogan Cat Simmons as Robyn Amy Griffiths as Meg Roberts Aneirin Hughes as Nigel Hoyle Gwen Ellis as Doris Michael Elwyn as Owen Thomas David Broughton-Davies as Gareth Phil Howe as Ronnie Burke
