T.R. Knight Returning to Broadway

Grey's Anatomyalum T.R. Knight is heading back to Broadway, according to The Associated Press.

Is Ellen Pompeo leaving Grey's Anatomy?

Knight, who played Dr. George O'Malley for five seasons on ABC's hit  medical drama, will star in David Mamet's A Life in the Theatre as John, a novice actor who's counseled by a veteran performer (Patrick Stewart).

Rehearsals for the play are scheduled for August, and previews are slated to begin in September.