The former star of TV's "The Fresh Prince of Bel-Air" made our list in 2004, with a net worth of $188 million. Then 35, he'd become one of Hollywood's biggest box office draws, thanks to hits like Independence Day, Men in Black, and Bad Boys.
He's now producing big blockbusters like Hitch and Hancock through Overbrook Entertainment, the production company he started in 1997.
While Smith has been saving the world from robots and vampires on the big screen, some would also argue that he's been helping to save the movie business itself: With more than $2.5 billion in box office sales to his name and Academy Award nominations for his roles in Ali and The Pursuit of Happyness, Smith was also the first actor in Hollywood history to have eight consecutive movies top the $100 million mark.
NEXT: Jerry Yang