6. Liam Hemsworth
Liam Hemsworth is the brother of Thor himself, Chris, though has struggled so far to escape the wide shadow cast by his brother's fast rise to fame thanks to The Avengers. He starred in two big blockbuster films last year, though didn't have a particularly pronounced presence in either - starring opposite Jennifer Lawrence in The Hunger Games in a small role, and alongside the nature reserve of action heroes in The Expendables 2. However, he's got the looks, and though some might see him as simply too much of a "pretty boy" - and being Miley Cyrus' other half probably won't do much to convince Star Wars fans - I suspect that underneath this wholesome exterior, he could deliver an edgy interpretation of Han Solo that would surprise us all. He's unlikely to get the role because he has yet to prove himself as a bankable lead, but it would be a fun gamble nonetheless.