T.R. Knight T.R. Knight

T.R. Knight is the latest big-name guest star checking into The Good Wife this season.

The Grey's Anatomy vet will play a political operative in an upcoming episode of the CBS drama, Entertainment Weekly reports. Now the question is, will his character help or hurt the Florrick for Governor campaign?

First-look photos: The Good Wife summons Amanda Peet, Christina Ricci and more

Knight, who played Dr. George O'Malley on Grey's for five seasons, most recently guest-starred on Law & Order: SVU last year.

The Good Wife airs Sundays at 9/8c on CBS.

Are you excited to see Knight on The Good Wife?