Emilia Fox Dr Nikki Alexander Actor David Caves Jack Hodgson Actor Richard Lintern Dr Thomas Chamberlain Actor Liz Carr Clarissa Mullery Actor Samuel Edward-Cook Mick Actor Sebastian Armesto DI Neil Taramelli Actor Samantha Bond DS Quicke Actor Michael Landes Matt Actor Carlyss Peer Allie Actor Rebecca Jade Hammond Nurse Taylor Actor Leona Walker Carola Actor Ravi Aujla Dr Hopkins Actor Haruka Abe Akito Emon Actor Leo Ashizawa Heisuke Actor Max Cavenham Stephen Actor Lisa Hogg Bex Actor Nancy Baldwin Audrey Actor Tomi May Calvin Actor Fisayo Akinade Andrew Actor Emily Bowker Keryn Actor Steven George Reycling Plant Manager Actor Richard Stokes Executive Producer Kiaran Murray-Smith Producer Michael Crompton Writer Dominic Leclerc Director