Complex sentence: In 2007, he played the role of Paz, a Blackbriar assassin, in "The Bourne Ultimatum"; in its source novel "The Bourne Ultimatum", the villain is Ilich Ramírez Sánchez, a.k.a. Carlos the Jackal.
Split into simpler sentences: In 2007, he played the role of Paz, a Blackbriar assassin, in "The Bourne Ultimatum". In the original "Bourne Ultimatum", the villain is Ilich Ramírez Sánchez, a.k.a. Carlos the Jackal.