Ghostbusters Star Ernie Hudson to Play Poseidon On Once Upon a Time

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Premiere of 'You're Not You'

Deadline brings word this evening that Ghostbusters star Ernie Hudson has signed on to appear as King Poseidon in the ABC series “Once Upon a Time.”

Hudson will make his debut in the 15th episode of the show’s fourth season where the outlet says viewers will learn he is the father of Merrin Dungey’s Ursula. In addition, JoAnna Garcia Swisher will reprise her role of Ariel in the episode.

“Once Upon a Time” will return March 1, 2015. The series airs Sundays at 8 P.M. on ABC.

(Photo credit: FayesVision/WENN.com)