Shivaani Ghai
as Nusrat Preston
Hugh Bonneville
as DSI Iain Barclay
Janet McTeer
as DS Amy Foster
Edward Woodward
as Victor Marsham
David Oyelowo
as Matt Wellings
Sarah Smart
as Sarah Wheeler
Michelle Bonnard
as Defne Topcu
Penelope Wilton
as Barbara Poole
Suranne Jones
as PC Laurie Franklin
David Morrissey
as DI Mal Craig
Anne Reid
as Jen Mason
Bernard Hill
as Gerard Hopkirk
Aaron Neil
as Ibra Akram
Al Weaver
as Josh Fairley
Ashley Walters
as Jamal Matthews
Chris Fountain
as PC Paul Tait
Derek Riddell
as Nick Durden
Hugo Speer
as Supt. James Carter
Kerry Condon
as Siobhan Doole
Lucinda Dryzek
as Tanya Wellings
Matthew McNulty
as Danny Preston
Navin Chowdhry
as DC Bilal Choudry
Nikki Amuka-Bird
as PC Simone Farnes
Nina Sosanya
as Colly Trent
Philip Arditti
as Dr. Azad Haydar
Phil Davis
as Mic Danes
Rory Kinnear
as Kyle Betts
Shaun Dooley
as Sgt Don Parker
Steve Evets
as Pat Dowling
Christine Tremarco
as Leanne Wellings
Cornell S. John
as Didi Mputu