Not every great actor is cut out to be a leading man or woman, and Hollywood has spent millions learning that lesson the hard way. Some of the industry's most talented performers have stolen scenes, earned prestigious awards, and built impressive careers, only to struggle when handed an entire movie to carry. Whether it was a disastrous box office gamble, a poorly chosen starring role, or a simple lack of leading-star charisma, these 12 actors discovered that being the best part of a movie isn't quite the same as being its biggest attraction.
