Chuck has added yet another solid guest star. But, we're sorry to say, guys, this one isn't a beautiful woman.

Former Daily Show correspondent Rob Riggle will guest star on the season's eighth season as Jim Rye, a slightly unbalanced CIA agent brought in to assist Chuck in his spying ways.

Riggle has recently appeared in movies such as The Other Guys and Going the Distance. He makes us laugh.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.