Guest Stars Lucy Black as DCI Sandy Mosby Carolin Stoltz as Alma McHugh Gavin Spokes as DI Phil Cowper Mark Monero as Curtis 'Lord' Rey Anthony Lewis as DC Niall Ibbotson Garry Cooper as Peter 'Bulgey' Donovan Junade Khan as DS Pritam Khan Moe Bar-El as Artem Kaya Moore as Noel Wilkes Florian Rafuna as Thomas Ajazi Souad Faress as Zaara Slack Julie Edwards as Lynne Michal Nowak as Roman Chantelle Pierre as Shaheen Emma Somerville as Gayle Iona McKeown as Aiofe McHugh Tony Hirst as Howard Jamie Dorrington as UPC Officer 1 Lynn Roden as Vicky Endersley Alex Williams as Aftar Malik Twana Omer as Khafiz Zada Diyar Bozkurt as Mehmet Ali Gadema as Mehmood Zada Akib Ahmed as Adib Malik Robert Wolfe as UPC Officer 2