Russell Lewis Creator, Executive Producer, Writer John Simm DS Roy Grace Actor Richie Campbell DS Glenn Branson Actor Rakie Ayola ACC Alison Vosper Actor Laura Elphinstone DS Bella Moy Actor Brad Morrison DC Nick Nicholl Actor Craig Parkinson DS Norman Potting Actor Zoe Tapper Cleo Morey Actor Clare Calbraith Sandy Actor Faith Alabi Layla Backhurst Actor Daniel Adegboyega Marcus Backhurst Actor Ellis George Callie Backhurst Actor Stephen Boxer Dr Roger Gunnislake Actor Joséphine de La Baume Julia Giroux Actor Alec Newman Joe Baker Actor Shamail Ali Babbar Actor Lucy Phelps Saskia Cobb Actor Lu Corfield Sgt Tania Walsh Actor Amina Koroma Kumba Actor Jayne McKenna Janet Telby Actor Antony Byrne Jim Telby Actor Carolina Valdés Nadiuska De Sancha Actor Rebecca Scroggs Ari Branson Actor Ernest Kingsley Junior Luke Actor Seham Aar Sia Actor Andrew O'Connor Executive Producer Patrick Schweitzer Executive Producer Peter James Executive Producer Paul Sandler Executive Producer Kate Saxon Director Matthew Slater Original Music Kiaran Murray-Smith Producer