Luke Mably

as Colonel Headley

as DS Ivan Fisk (7 episodes)

as Gilliger Graham

as Terry Pryde

as Scott (3 episodes)

as Sgt. Maj. Nigel Wickham (1 episode)

as Sonson

as Creighton Masterson

as Shawn

as James Lathom (1 episode)

as Dr. Simon Hill (13 episodes)

as Dylan Radcliff (13 episodes)

as White

as Alex Pierce

as Hugo Delaney-Jones

as Henry

as Mark (1 episode)

as Brian

as Prince Edvard

as Rupert Rodnight

as Tom

as Prince Edvard

as Dr. Fraser Mekee (1 episode)

as Private Clifton