The film features an all-star cast, including Henry Cavill as Theseus, a mortal man chosen by the gods to defeat the Minotaur; Stephen Lang as Zeus, the king of the gods; and Mickey Rourke as King Xerxes, the ruthless and power-hungry ruler of Persia. The movie's plot is driven by Theseus' journey, as he battles various mythological creatures and navigates the complex world of ancient Greek mythology.