Kristin Kreuk, Zac Levi Kristin Kreuk, Zac Levi

The Buy More Nerd Herd is about to get some serious eye candy.

Smallville star Kristin Kreuk has signed on for several episodes of Chuck, according to EW. She'll play Hannah, a publishing exec who meets Chuck on a plane headed for Paris, aka the city of amour. Sparks will ignite, says an insider. Hannah, after being laid off from her fabulous job, ends up working at the Buy More.

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Last week it was announced that Superman star Brandon Routh has also signed on for a multi-episode arc as a mysterious spy.

What do you think of all these Super casting additions?