The news first came from Sbarge himself, who tweeted photos from the show’s set. The first such photo appeared on Friday (March 15), featuring a chair and the hash-tag “#GuessWhereIAm. In case people were not immediately sure of what show he was at, Sbarge followed up with a photo of himself and “Castle” star Nathan Fillion:
What is Sbarge doing on “Castle”? Give Me My Remote reports that the actors guest role will be as a Dr. Darrell Meeks, appearing in some capacity on the 20th episode of “Castle” Season 5. Per yet another tweet from Sbarge, the episode will be directed by Jonathan Frakes (“Star Trek: The Next Generation”).
Everything else remains a mystery, at least until Sbarge tweets the solution.
“Castle” airs Mondays at 10pm while “Once Upon a Time” airs Sundays at 8pm. Both shows are on ABC.