By Sandra Gonzalez
Updated October 14, 2011 at 03:35 PM EDT
Credit: Tiffany Rose/WireImage

Charles Widmore and Ben Linus are about to meet again.

EW has learned exclusively that Lost alum Alan Dale will guest star on the Michael Emerson-helmed Person of Interest as a former member of the German Stasi secret police. He will appear in episode 8.

Dale, who will appear as Prince Charming’s father on the upcoming series Once Upon A Time, has also recently appeared on AMC’s The Killing and reprised his role as John Ellis on the final season of Entourage.

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