Four-Headed Shark

Four-Headed Shark is a 2016 American Horror-Action film starring John Boyega, Oscar Issac, Kirsten Dunst, Jay Baruchel, Seth Rogen, Craig Robinson, and Dave Franco. There will be sequels called Five-Headed Shark Attack and Six-Headed Shark Attack.

Summary
A group of young adults are brought to a facility to study sharks. But goes wrong when a mutated shark with four heads attacks them and eats them one by one.

Plot
The film starts with 3 friends Cameron (John Boyega), Mike (Jay Baruchel), and Sam (Seth Rogen) getting snacks and drink in a gas station. When they leave, they encounter Mark (Dave Franco) and he tells them that they're not invited to his party. They just leave and are so annoyed that he's a jerk. They're invited to go on a trip to a Ocean facility. They invite Mike's cousin Manitoba Smith (Oscar Isaac) and Mike's girlfriend Zoey (Kirsten Dunst).

On the boat, they meet B (Craig Robinson) on it but he can't talk ever since elementary school. They are annoyed to see Mark but Sam's girlfriend Dakota (Brie Larson) and her best-friend Dawn (Jillian Bell) on it. B's best-friend Brick (Martin Starr) is coming to be B's translator.

Cast

 * John Boyega as Cameron - A 19-year-old young man and Main Protagonist of the film. His mother is over-protective and his father is a scientist.
 * Oscar Issac as Manitoba Smith - A 26-year-old Australian hunter and Main Deuteragonist of the film. He is shown to best friends with Cameron and wants to protect him.
 * Kirsten Durst as Zoey - A 20-year-old red head and Main Tritagonist of the film. She is allergic to dogs.
 * Jay Baruchel as Mike - A 21-year-old slacker and Secondary Protagonist of the film. He is Zoey's boyfriend and Manitoba's American cousin. He gets concern about Zoey and always saves her.
 * Seth Rogen as Sam - A 24-year-old gamer and Mike's best friend.
 * Craig Robinson as B - A 23-year-old quiet and shy person.
 * Dave Franco as Mark - A 22-year-old arrogant biker and Secondary Antagonist of the film. He is Mike's rival and worst character of the film. He betrays the group by leaving them to die.