The world’s greatest killing machine is three times as deadly when a mutated shark threatens a cruise ship. As the shark eats its way from one end of the ship to the next, the passengers fight the deadly predator using anything they can find.
3-Headed Shark Attack is a 2015 American direct-to-video independent action film developed by The Asylum and starring Danny Trejo, Karrueche Tran and Rob Van Dam. Directed by Christopher Ray, it is a sequel to 2-Headed Shark Attack (2012).