Rupert Penry-Jones Joseph Chandler Actor Philip Davis Ray Miles Actor Steve Pemberton Edward Buchan Actor Sam Stockman Emerson Kent Actor Ben Bishop Finley Mansell Actor Hannah Walters Megan Riley Actor Claire Rushbrook Dr. Caroline Llewellyn Actor Damian Dudkiewicz Igor Actor Emily Sanderson Evie Pixley Actor Ria Zmitrowicz Sasha Lowood Actor Lydia Leonard Morgan Lamb Actor Kieran Bew Mace Driffiled Actor Alistair Petrie Dr. Simon Mortlake Actor James Clay Luke Watney Actor Jason Griffiths C019 Officer Actor Nakay Kpaka Blythe Huddart Actor Jon East Director Ben Court Writer Caroline Ip Writer Sally Woodward Gentle Executive Producer David Boulter Producer David Mason Line Producer Ruth Barrett Original Music Owen McPolin Cinematographer Anthony Combes Film Editor