Emilia Fox Dr Nikki Alexander Actor, Executive Producer David Caves Jack Hodgson Actor Aki Omoshaybi Dr Gabriel Folukoya Actor Alastair Michael Velvy Schur Actor William Willoughby Anthony Drinkwater Actor Rhiannon May Cara Connelly Actor Sophia Myles Laine Cassidy Actor Kuni Tomita Soju Actor Kate Bracken Lucy Stevens Actor Jemma Redgrave DI Jill Raymond Actor Richard Cordery Bill Burnett Actor Hannah Rae Star Actor Lewis Griffiths Jay Actor Nadine Marshall DI Sarah Torres Actor Nicholas Gleaves Bob Stratton Actor Leo Hatton Kate Freeman Actor Karishma Navekar NCA Detective Guest Star Anjela Lauren Smith Maggie Locke Guest Star Orion Lewis Student Guest Star Tom Christian Philip Stratton Guest Star Nawfal Faizullah Executive Producer Suzi McIntosh Executive Producer Priscilla Parish Executive Producer Ed Whitmore Writer Jim Keeble Writer Toby Frow Director Michael Crompton Writer Rebecca Wojciechowski Writer Dudi Appleton Writer, Director Christine Lalla Director Max Myers Director Bindu De Stoppani Director Josh Dynevor Producer