 Complete the following phrase:  OConnells career breakthrough came when he starred in the independent prison drama Starred Up 2013. His portrayal of a violent teenager incarcerated in the same prison as his father received widespread critical acclaim; Entertainment Weekly critic Chris Nashawaty wrote, OConnell bristles with terrifying hair-trigger unpredictability. Watching him, you feel like youre witnessing the arrival of a new movie star. Peter Travers of Rolling Stone agreed, describing his mad-dog incarnate portrayal as a star-is-born performance. OConnell next starred in another acclaimed independent film, 71 2014, portraying a soldier deployed to Belfast at the height of 