Matt Damon Matt Damon

30 Rock's latest big-name get: Matt Damon.

The 39-year-old actor, fresh off an Oscar nomination for Invictus and a Lifetime Achievement Award from American Cinematheque, will guest-star on the show later this season, has confirmed. Details of his role are being kept under wraps, so let the guessing games begin.

Watch full episodes of 30 Rock now