A comeback can be a beautiful thing. Who would have guessed, for example, that Matthew McConaughey, the man responsible for filmic travesties such as Fool's Gold, Failure to Launch, Ghosts of Girlfriends Past, Surfer, Dude, Two for the Money, The Wedding Planner and Tiptoes, could have mounted such a notable return to glory that the public even gave it its own super catchy name? The "McConaissance," as it was famously dubbed, really was a beautiful thing to behold, mainly because nobody expected it from an actor who has spent the majority of his career making bad rom-coms, but also because it shed a light on something that the world as a whole got collectively wrong: Matthew McConaughey could act, after all. It's a little different when an actor goes away for a while, though; when you disappear from the limelight for long enough (for whatever reason), it's hard to come back. Especially if you've made a lot of bad movies in a row, which is what has happened to at least half the actors on the following list, whilst the other half just vanished into thin air for years... No matter. Here are 10 actors who are set to make a major comeback in 2015...