What the Frak?!? Tricia Helfer Gives Chuck a Tumble

WARNING: Spoilers ahead!

Ausiello has just confirmed that Battlestar Galactica’s Tricia Helfer has signed on for a role on Chuck as a potential replacement for Yvonne Strahovski’s Agent Walker.

WHAT?!?

OK, here’s the scoop:

General Beckman — who has been growing increasingly concerned about Chuck and Sarah’s intensifying bond — considers bringing in a new G-woman to work alongside Chuck. Enter Agent Forrest, who shows no fear, no remorse and, much to Agent Casey’s delight, is very easy on the eyes.

But Helfer isn’t moving in on Strahovski’s turf permanently, is she? Actually…no, she’s not. Helfer’s only booked for one episode (Episode 2.18), and Strahovski’s got, well, an ironclad six-year contract.

Whew! Meanwhile, Ausiello also spilled the beans on a couple of other guest roles coming up:

•    Jonathan Cake (Six Degrees) is coming on board for a multi-episode arc as a Gerard Butler-esqe British MI6 agent by the name of Cole Barker. The rugged, macho spy catches Sarah’s eye and makes Chuck feel even geekier than usual.

•    Sports Illustrated swimsuit cover girl Brooklyn Decker will guest star in episode 15 when Jeff and Lester take over the hiring process at Buy More and begin recruiting potential Buy More booth babes.