When Callum Lynch (Michael Fassbender) explores the memories of his ancestor Aguilar and gains the skills of a Master Assassin, he discovers he is a descendant of the secret Assassins society. ASSASSIN'S CREED Movie TRAILER (Michael Fassbender - 2016). A Movie directed by Justin Kurzel. Cast : Michael Fassbender, Marion Cotillard, Jeremy Irons, Brendan Gleeson, Michael K. Williams, Ariane Labed, Denis Ménochet. Release Date : December 21 , 2016. Genre : Action, Adventure. © 2016 - 20th Century Fox.