Newcomer Shea Whigham (“Tigerland”) will co-star with Sam Neill, Emily Procter and James B. Sikking in the NBC made-for “Submerged,” lensing in Rome. Thriller, based on Peter Maas’ nonfiction bestseller “The Terrible Hours,” retells the moment-by-moment account of the sinking and rescue of the American submarine Squalus during World War II. Telepic, directed by James Keach, is slated to air in May.

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