"What's in a name?" William Shakespeare's Juliet once asked. "That which we call a rose, by any other word would smell as sweet." That may be true, as far as it goes, but would an A-List actor by any other name sell as many box office tickets?

An actor's name is their brand, so choosing the right name to attach your career to is of the utmost importance. An actor's name can signal all sorts of things to an audience -- familiarity or friendliness, sexiness or masculinity. Some names signal cultural identity, while others are designed to be as bland as possible so as to avoid drawing the wrong sort of attention from a prejudiced crowd. Actors may even adopt different names for simplicity's sake, or to craft an identity wholly separate from their private lives. With all that in mind, read on to learn about fifteen actors who changed their names for Hollywood.