Complex sentence: It is the fifth (chronologically, the second) film to be released in the "Star Wars" series, and stars Ewan McGregor, Hayden Christensen, Natalie Portman, Christopher Lee, Ian McDiarmid, and Samuel L. Jackson.
Split into simpler sentences: It is the fifth film to be released in the "Star Wars" series, and the second film in the story chronology. It stars Ewan McGregor, Hayden Christensen, Natalie Portman, Christopher Lee, Ian McDiarmid, and Samuel L. Jackson.