Final ASSASSIN’S CREED Trailer and More Promotional Videos Here is the final ASSASSIN’S CREED trailer and more promotional videos! The film, directed by Justin Kurzel (Macbeth), stars Michael Fassbender, Marion Cotillard, Brendan Gleeson, Michael Kenneth Williams, and Jeremy Irons. ASSASSIN’S CREED will be released in theaters on December 21. Through a revolutionary technology that unlocks his genetic memories, Callum Lynch (Michael Fassbender) experiences the adventures of his ancestor, Aguilar, in 15th Century Spain. Callum discovers he is descended from a mysterious secret society, the Assassins, and amasses incredible knowledge and skills to take on the oppressive and powerful Templar organization in the present day.