Mark Pellegrino Mark Pellegrino

Get ready for a Lost reunion on Person of Interest. Mark Pellegrino is set to guest-star on the Michael Emerson drama.

On the set with Person of Interest's vigilante dream team

Pellegrino, who played Jacob, the mysterious island oracle, to Emerson's blind devotee Ben on the ABC drama, will take charge once again as the charismatic leader of a publishing empire on Person of Interest.

This isn't the only TV reunion Pellegrino will be a part of this season. The actor was recently seen on Revolution, created by Eric Kripke. Pellegrino famously played Lucifer on Kripke's Supernatural in a multiple-season arc.