The 25-year-old actor's father died when he was 18 and filming the TV show "Skins" and Jack revealed that when he starred in Angelina Jolie's 2014 movie "Unbroken", her husband Pitt sympathised with him and insisted he was around if Jack ever needed to talk, reported Female First.
"It was tough - I lost my dad halfway through [filming 'Skins']. I'm trying to do a comedy drama and I've lost one of the biggest inspirations of my life.
"Brad was like, 'Look man, I know your situation and I know you lost your dad. Just to let you know I'm here if anything's puzzling you'," Jack said.
"She wanted to meet my people. We all went to this place out of the way in Derbyshire, a pub where you can eat nice food. She came up on her own, man. She has some security people but they weren't really involved and, yeah, we were all just sat around," he said.