Talk about one of the most beautiful Chuck spoilers we've ever heard.  The beautiful Tricia Helfer of Battlestar Galactica fame has been brought on as a guest star, Special Agent Alex Forrest according to Ausiello.

This gorgeous little butt kicker will be a potential replacement for Yvonne Strahovski's Sarah.  But don't start worrying yet Strahovski fanboys.  She's only a potential repalcement on the show.  Nothing is getting in the way of Strahovski's six year contract.

Expect Agent Forrest to appear in episode 18 and if we're lucky more than that.  Don't worry we have two more spoilers for you. 

• Jonathan Cake will be guest starring in a multiple episode arc as Col Barker, a macho rugged spy that catches Sarah's eye and makes Chuck feel even geekier. 
• Meanwhile, model Brooklyn Decker will guest star in episode 15 when Jeff and Lester take over the hiring process of Buy More and are looking for more eye candy.

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