From John Travolta to Mickey Rourke to Robert Downey Jr. to, yes, even Paula Abdul, everybody loves a good comeback story - particularly when it arises in the midst of the unforgiving Hollywood machine. So who's due for one next? Well, a lot of people, actually - but we've pared the list down to 17 very deserving (in our opinion) individuals.
So which of the below folks do you think deserve it most? After scrolling through the gallery below, vote for your choices in the poll further down the page.