Trivia

His acting role models are Gary Oldman, Tim Roth and Tom Hardy.

His father was Irish, from Kerry. His mother is of English background.

Considered for the role of Gary Unwin in Kingsman: El servicio secreto (2014).

Was in a relationship with Kaya Scodelario, while starring in Skins (2007), until 2009.

He had a very troubled upbringing. As a youth, he was in and out of court on charges related to alcohol and violence, and he received a one-year young offender's referral order when he was 17.

He had planned to join the Army, believing it to be the only way he could make an honest living, but his juvenile criminal record prevented him from enlisting.

Friends with George Clooney.

Grew up wanting to be a footballer. Had trials with Derby County as a schoolboy.

He used to work as a farmhand in between acting work.

His maternal grandfather, Kenneth Harold "Ken" Gutteridge, was a professional footballer and manager.

Is a big fan of Derby County Football Club.

He was considered for the role of Bruce Wayne/Batman in The Batman (2021).

Trained at the Central Television Workshop in Nottingham, along with Vicky McClure, Joe Dempsie and Michael Socha.

Is good friends with Joe Dempsie.

Was in a relationship with Tulisa from March-June 2012.

He left school at the age of sixteen.

Despite portraying Italian-American WWII Veteran Louis Zamperini in the film Unbroken, Jack himself is not of Italian descent. He dyed his natural brown hair black to appear more Italian for the role.

He had aspired to be a football player in his youth and had trials with Derby County but a series of injuries ended his career.