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 Nakay Kpaka Blythe Huddart Actor Kiell Smith-Bynoe Tony Huddart Actor Lydia Leonard Morgan Lamb Actor Tahirah Sharif Chantal Essian Actor Holli Dempsey Elsa Durham Actor Tom Fisher Calvin Mantus Actor Alistair Petrie Dr. Simon Mortlake Actor Victoria Alcock Cindy Watney Actor James Clay Luke Watney Actor Aaron Jolly Ronald Clemence-Solebay 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