The series follows John Porter, a former British Special Forces soldier, who is drafted back into service by Section 20, a fictional branch of the Secret Intelligence Service.
Warren Brown , Daniel MacPherson , Alin Sumarwata
Zsuzsa Mihalek
Left Bank Pictures , British Sky Broadcasting
as Sergeant Daniel “Mac” Macallister
as Sergeant Samuel Wyatt
as Lance Corporal Gracie Novin