Shia LaBoeuf … Sam Witwicky
Megan Fox … Mikaela Banes
Josh Duhamel … Captain Lennox
Hugo Weaving … Megatron (Voice)
Decepticon forces return to Earth on a mission to take Sam Witwicky prisoner, after the young hero learns the truth about the ancient origins of the Transformers. Joining the mission to protect humankind is Optimus Prime, who forms an alliance with international armies for a second epic battle.