ray-park-heroes
Ray Park, famous for playing characters that can do acrobatic things, will be joining the cast of Heroes this season.

From EW:

Little is known about Park’s role, except that he’s playing one of the colorful characters at the center of the show’s Carnivale-esque storyline. (My guess? He’s the character described in the breakdowns as “Knife Thrower.”)

My Guess? Either Ray Park’s IMDB Star Meeter had a sudden drop or Heroes got a bigger budget.