Henry Ian Cusick is sticking around ABC.
The former Lost and Scandal star, who also appeared on Fringe last season, will stop by Body of Proof in early 2013 as a psychologist named Trent Marsh.
Look for the doctor to treat patients that Dana Delany's Megan and Mark Valley's Tommy are closely watching while investigating a murder.
Body of Proof, with a shaken up cast, returns to the network schedule at midseason. Entertainment Weekly broke this bit of casting news.