Guest Stars Thomas Law as DC Eddie Martin Wendy Kweh as Lyn Chee Leo Ashton as Oliver Marshbrook Ciara Adams as Claire Regan Adam Hussain as Josh Nubhai Amy James-Kelly as Grace Marshbrook Jack Archer as Jamie Marshbrook Steven Elder as DCI Robert Pearson Sian Breckin as Madeline Hookway Aleksandar Mikic as Delivery Man / Viktor Zima Jade Greyul as Lateesha Kharim Zaraah Abrahams as DS Emma Ryan Alexandra D'Sa as Maria Kamath Orla Cottingham as Maureen Phillips Colin Parry as Sgt. Neil Sansom Rachel Dale as Julia Fairbanks Rachael Hayden as PC Harriet Davies