Donovan Marsh’s Hunter Killer (2018), starring Gerard Butler and Gary Oldman, is a high-stakes submarine thriller where an untested American captain must prevent World War III after discovering a secret Russian coup. Mixing tactical naval action with political intrigue, it blends submarine warfare, espionage, and survival under pressure.

Från IMDB:
An untested American submarine captain teams with U.S. Navy Seals to rescue the Russian president, who has been kidnapped by a rogue general.