Jack O'Connell and Japanese rock musician Myavi, the stars of Unbroken – Angelina Jolie's biopic of Olympic long distance runner and second world war hero Louis Zamperini – talk to Andrew Pulver about working with a Hollywood superstar and why the film is meant to help heal relations between warring nations• Jack O'Connell interview: 'My world just got much bigger'• First look review of Unbroken Continue reading...