Emilia Fox Dr Nikki Alexander Actor David Caves Jack Hodgson Actor Genesis Lynea Simone Tyler Actor Amanda Burton Sam Ryan Actor Matthew Gravelle Tom Faulkner Actor Christine Bottomley Florence Clarke Actor Jemma Redgrave DI Jill Raymond Actor Hugh Quarshie Jomo Mashaba Actor Richard Durden Conor Hodgson Actor Ian Puleston-Davies DSI Ronnie Boyle Actor Glynis Barber Caroline Bergqvist Actor Gina Bramhill Fiona Mashaba Guest Star Diana Bermudez Rosa Hernandez Actor Aidan Cheng Lewis Daley Guest Star Emma Beattie Alice Reynolds Guest Star Fiona Mulvaney Care Assistant Guest Star Duncan Preston DI Johnny Campbell Guest Star Ed Whitmore Writer, Executive Producer Bill Anderson Director Nick Lambon Producer Caroline Levy Executive Producer Priscilla Parish Executive Producer Phil Mulryne Writer Katerina Watson Writer Alyn Farrow Writer Caroline Carver Writer Lawrence Till Executive Producer Rob Evans Director Tracey Larcombe Director