4. Joseph Gordon-Levitt
Joseph Gordon-Levitt has really been on the up-and-up in recent years, going from working with Christopher Nolan in Inception to having the best year of his career by starring in two of the best films of 2012, Looper and The Dark Knight Rises. He's even had a film he directed, Don Jon's Addiction, play at the Sundance Film Festival this year, and if he isn't intending to dive more into that side of his career, he will find a legion of Star Wars fans begging him to take the role of Han Solo. JGL has proven time and time again that he can do the anti-hero thing as well as anybody, most prominently in Looper, whereby he played a classic sci-fi protagonist not that unlike Solo, suggesting he would easily slip into the role. However, the main thing holding JGL back is that he looks absolutely nothing like Harrison Ford; JGL has a somewhat oriental look, which would clash completely with Ford's features. Still, if fans are prepared to look past this - and given how much JGL has proven himself on The Dark Knight Rises - he would be a stellar fit. And let us not forget this moment from 500 Days of Summer;
