In Hollywood, there are actors, there are movie stars, and then there are the special few who can "open" a film -- superstars who can make a hit based on their names alone. And these are the 10 most valuable actors of all time.
Charlie Sheen's domestic troubles may have taking the tabloids' glaring eye off Tiger Woods, but it won't help the golfer much. Sheen may emerge from the doghouse quickly, but Tiger's in for a long slog: The difference between them? Sheen, for all his well-known flaws, is simply more likable.