Director: Andrzej Bartkowiak Genre: Action/Horror/Sci-Fi/Thriller Starring: The Rock (Sarge), Karl Urban (John Grimm) & Rosamund Pike (Samantha Grimm). Plot: This movie is based on the hit computer game about Marines sent to investigate what went wrong on a scientific research center on Mars where they face an evil unlike any other. Its all about alien ass-kickin with big guns.