'71

Jack O'Connell stars as the lead character, Gary Hook, a British soldier struggling to survive in the film '71'. The movie depicts his desperate struggle for survival after becoming separated from his unit following a riot. O'Connell's intense physical performance grounds the movie's high-stakes tension.

Although the film is set during the Troubles in Northern Ireland, it was actually filmed across various locations in England. The production utilized areas including Lancashire, Sheffield, Leeds, and Liverpool to double for 1970s Belfast. This allowed the crew to accurately recreate the turbulent period without filming on location in Ireland.

'71' is set against the chaotic backdrop of the Troubles in Northern Ireland during the early 1970s. It follows a young soldier who is accidentally abandoned by his unit following a violent riot in Belfast. The plot explores the intense sectarian violence and paranoia of the era.

No, Gary Hook is a fictional character created for the film, though the movie's setting is grounded in the very real historical conflict of the Troubles. The narrative uses his isolated perspective to highlight the danger and confusion on the streets of Belfast. The movie strives for historical accuracy in its depiction of the environment rather than specific biographical facts.