Anna Friel Marcella Actor Laura Carmichael Maddy Stevenson Actor Nicholas Pinnock Jason Backland Actor Ian Puleston-Davies Peter Cullen Actor Nina Sosanya DCI Laura Porter Actor Ray Panthaki DI Rav Sangha Actor Jamie Bamber DI Tim Williamson Actor Sinead Cusack Sylvie Gibson Actor Harry Lloyd Henry Gibson Actor Michelle Terry Jane Colletti Actor Asher Flowers Edward Backland Actor Josh Herdman Eric Davidson Actor Yolanda Kettle Becky Marani Actor David Proud Joel Actor Sophia Brown Dc Leann Hunter Actor Lara Decaro Samantha Colletti Actor Imogen Faires Emma Backland Actor Nathalie Armin Helen Actor Elijah Dallen Young Edward Actor Charles Martin Director Hans Rosenfeldt Writer Jim O'Hanlon Director Ann Harrison-Baxter Producer