Guest Stars Aasiya Shah as Asha James Elina Knihtilä as Marta William Llande as Martie Cairnes Manjinder Virk as Liz Jerwood Karenza Boscawen as Trish Zahra Ahmadi as Saima Nico Mirallegro as Nicky Toland Richard Frame as First Officer Tom Lawrence as Forensic Officer Arthur Bicknell as Young George Kate Parnell as Young Joy Joanne Stevens as Corinne West Ollie Fry as Keith Whelan Ian Howard Moth as Vectis Police Officer