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.
The recent revelation of Gen. David Petraeus' affair cost him a promising political career. But in the grand history of marital infidelity, it barely warrants a footnote. If you want to see where Petraeus ranks when it comes to expensive affairs, take our quiz.