September 04, 2009 at 07:20 PM EDT

Captain Awesome is in danger of becoming Captain Deadasadoornail if this latest Chuck casting scoop is any indication: Ex-Law & Order ADA Angie Harmon has signed on to guest star in this season’s fourth episode as Sydney, a spy for the Ring who wants to whack Ryan McPartlin’s awe-obsessed alter ego.

If I’ve said it once, I’ve said it three times in the past week: NBC, please don’t make us wait until March for new Chuck episodes. I’ll do anything you want. I’ll even forgive you for Knight Rider. And Coupling. Just name your price.

More Chuck scoop:

Smallville‘s Kristin Kreuk to romance Chuck?

Superman Brand Routh swoops in!

PHOTO CREDIT: Bob Charlotte/PR Photos; McPartlin: Chris Haston/NBC

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