Rosalind Eleazar Detective Kat Donovan Actor Jessica Plummer Stacey Embalo Actor Richard Armitage Ellis Stagger Actor Lenny Henry Clint Donovan Actor Ashley Walters Josh Buchanan Actor Steve Pemberton Titus Actor Rudi Dharmalingam Rishi Magari Actor Bo Poraj Jim Mattson Actor Catherine Ayers Nia Emine Actor Lucy Lowe Ellie Mattson Actor Charlie Hamblett Charlie Pitts Actor Lisa Faulkner Dana Fells Actor Mary Malone Aqua Vanech Actor Jackie Knowles Raya Stagger Actor GK Barry Vanessa Actor Oscar Kennedy Brendan Fells Actor James Nesbitt Dominic Calligan Actor Harlan Coben Executive Producer Victoria Asare-Archer Writer Nicola Shindler Executive Producer Richard Fee Executive Producer Guy Hescott Producer Nimer Rashed Director Isher Sahota Director Sumerah Srivastav Writer