Rebecca Romijn

Rebecca Romijn is heading to Chuck, but her appearance is bad news for our hero, Entertainment Weekly reports

The former Ugly Betty star will guest-star in the sixth episode this upcoming season as a calculating, sexy Special Agent for the CIA named Robin Cunnings who is notorious for her barbaric methods for getting intel. Robin is a member of a rogue group within the CIA who plan to frame Chuck (Zachary Levi) for a huge crime.

Fall Preview: Get scoop on your favorite returning shows

Romijn currently stars on the Adult Swim series NTSF:SD:SUV:: and made a small appearance in X-Men: First Class.

The upcoming fifth and final season of Chuck premieres on Friday, Oct. 21 at 8/7c on NBC.

Are you excited to see Levi battle Romijn?