Narayan David Hecter Thao Actor John Hicks Paramedic Actor Yasmin Allam-Pinnock Paramedic Actor Parminder Nagra D.I. Rachita Ray Actor Maanuv Thiara P.S. Tony Khatri Actor Steve Oram D.S. Clive Bottomley Actor Lloyd Thomas Security Guard Actor Gemma Whelan D.C.I. Kerry Henderson Actor Craig Painting Doctor Actor Peter Bankole D.S. Kwesi Edmund Actor Jessica Temple D.C. Carly Lake Actor Sam Baker-Jones D.C. Liam Payne Actor Demelza O'Sullivan P.C. Debs Knott Actor Jan Le Min Actor Georgia Goodman Yen Actor Duaa Karim Mona Aziz Actor Siddiqua Akhtar Salma Aziz Actor Gabriel Mullallay Milo Milne Actor Lucy Phelps Laura Milne Actor Zaynah Thompson Holly Milne Actor Rowena King Maureen Groves Actor Jamie Bamber D.I. Martyn Hunter Actor Bella Hamblin Eileen Shaw Actor Michael Jinks Karl Shaw Actor Ezra Faroque Khan Dev Ray Actor Shobu Kapoor Debo Ray Actor Rick S Carr Magnus Tranter Actor Andrew McDonnell Cinematographer Jessica Sharkey Production Director Deborah Aston Line Producer Keith Dunne Production Design Edmund Butt Music Madonna Baptiste Executive Producer Jed Mercurio Executive Producer Maya Sondhi Executive Producer Jeremy Strachan Film Editor