Watch Augustus -The Illustrious One- Full Movie Free Online 123Movies. Octavian: the first emperor of Rome, who was granted the title "Augustus," meaning “the illustrious one.” How did this man become the heir of Julius Caesar, who had died in the middle of his career? This young hero who, following clashes with Caesar’s confidants like Mark Antony and Brutus, reached at the boundaries of the Pax Romana, is portrayed in this drama that interweaves historical fact with imaginative fiction.