Line of Duty star Stephen Graham offered to adopt one of his child co-stars after his mum tragically died from cancer, it has been revealed.The 47 year old starred alongside Thomas Turgoose in This Is England in 2006, when the then-child actor was just 13.Thomas played the film's lead character Shaun Fields, who was inducted into a gang of skinheads – including sociopath Combo, played by Stephen, who most recently starred in BBC drama Time.