Complex sentence: Jiang co-starred in the "Star Wars" anthology film "Rogue One", released in December 2016, portraying Baze Malbus, a native of the moon Jedha, who is drawn into the war against the Galactic Empire.
Split into simpler sentences: Jiang co-starred in the "Star Wars" anthology film "Rogue One", released in December 2016. In the film, he portrays Baze Malbus, a native of the moon of Jedha who is drawn into the war against the Galactic Empire.