Born and raised in Grangemouth, Sunderland, Beattie credits an early interest in drama to his light-opera-performing aunt and uncle. His previous roles in stage productions of Bugsy Malone, Guys And Dolls and The Music Man were some way from the earthy realism required in his film debut. 'I'm not from a rough family, we live in a good neighbourhood, I don't have an abusive father or involvement with drugs - Gerry is nothing like me. But I could relate to some things about him, like the way he really cares about his mother.'