Ralf Little DI Neville Parker Actor Joséphine Jobert DS Florence Cassell Actor Tobi Bakare Sergeant JP Hooper Actor Tahj Miles Marlon Pryce Actor Prisca Bakare Rosey Hooper Actor Luke Bailey Delford Adams Actor Hugh Coles Hugo Pickford Actor Gbemisola Ikumelo Nurse Dena Johnson Actor Niamh Cusack Maggie O'Connell Actor Clarence Smith Dr Joshua Dreyfuss Actor Karen Bryson Gardenia Dujon Actor Richard McCabe Professor Roger Harkness Actor Don Warrington Commissioner Selwyn Patterson Actor Idris Debrand Taylor Johnson Actor Justin Edwards Patrick Harborne Actor Colin Ryan Jamie Santisuk Actor Wil Johnson Emmet Peterson Actor Kiell Smith-Bynoe Tarone Vincent Actor Buom Tihngang Ollie Gordon Actor Élizabeth Bourgine Catherine Bordley Actor Emma Goodwin Writer Tom Nash Writer Justin Young Writer Helen Black Writer Julie Dixon Writer Dan Muirden Writer Jim Poyser Producer James Hall Writer Jordan Hogg Director Jane Lomas Film Editor Toby Frow Director Richard Signy Director Producer Producer Bill Lyons Executive Producer Chris Foggin Director