Holliday Grainger DI Rachel Carey Actor Killian Scott Noah Pierson Actor Indira Varma Khadija Khan Actor Ron Perlman Frank Napier Actor Ben Miles Danny Hart Actor Lia Williams Gemma Garland Actor Ginny Holder DI Nadia Latif Actor Nigel Lindsay DCI Tom Kendricks Actor Hugh Quarshie Commissioner Cameron Yates Actor Andrew Buchan Deputy Commissioner Julian Talbot Actor Daisy Waterstone Abigail Carey Actor Isabella Brownson Paige Thomas Actor Tessa Wong DC Chloe Tan Actor Joe Dempsie James Whitlock Actor Amy Conachan DC Erin Foster Actor Beruce Khan DC Lyons Actor Frederick Schmidt CTSFO Commander George Actor Georgina Hellier DC Jacobs Actor Jude Mack Natasha Hayes Actor Sam Hoare Ed Polczynski Actor Olamide Candide-Johnson SO15 Detective Evans Actor Ian Kenny SO James Actor Lewis Mackinnon SO Cole Actor Eloka Ivo SO Archer Actor Maggie Bain DI Murphy Actor Barry Aird Jean-Paul Actor Alwyne Taylor Janet Whitlock Actor Georgia Landers News Reporter Actor Philip Correia News Presenter Actor Derek Ritchie Producer, Executive Producer Ben Chanan Writer, Executive Producer David Heyman Executive Producer Rosie Alison Executive Producer Sue Gibbs Executive Producer Tom Coan Executive Producer Anthony Philipson Director