Michelle Keegan Georgie Lane Actor Rolan Bell Sergeant King Actor Nico Mirallegro Prof Actor Will Attenborough Second lieutenant Hurst Actor Badria Timimi Dr Bahil Actor Amy-Leigh Hickman Mimi Actor Sean Sagar Monk Actor Sean Ward Fingers Actor Kaine Zajaz Throbber Actor Nabil Elouahabi Rabee Actor Nebras Jamali Poya Actor Joshua Bowman Dr Antonio Actor Jack Parry-Jones Jackson Actor Linzey Cocker Marie Actor Ben Batt Blue Actor Luke Pasqualino Elvis Actor Kiroshan Naidoo Zarek Actor Dominic Jephcott Brigadier Actor Mia El Chamaa Giti Actor Lubabalo Tallboy Ntame Tallboy Actor Tony Grounds Writer, Executive Producer Matt Evans Writer Anthony Philipson Director Yvonne Francas Producer Claire Winyard Director Roberto Troni Executive Producer Hilary Salmon Executive Producer