Trivia: Many details are based on Plutarch's "Life of Alexander." These include: Alexander taunting Philip for being too drunk to walk from one couch to another, Bagoas' dance Hephaestion not following the medic's dietary restriction, eating poultry, in particular Alexander and Hephaestion reading letters from Olympias together; Alexander using his ring to signal that the content was to remain confidential, the taming of Bucephalus Phillip's assassination, and Olympias keeping snakes in her bedchamber.
Trivia: Even though Angelina Jolie plays Colin Farrell's mother in the movie, she is only a year older than Farrell.