The Game of Thrones and Pompeii star talks to Catherine Shoard about voicing Eret, son of Eret, an animal trapper in DreamWorks's How to Train Your Dragon 2. He explores the film's themes of hereditary legacy and discovering an identity for yourself outside of the role foisted upon you by your family



• How to Train Your Dragon 2 is on release in Wales and Ireland and is released in England and Wales on 11 July