Complex sentence: He made a cameo as one of the "gang of four" in the indie film, Waking Life and is scheduled to play Jerry in the New York City premiere of "Karla", a new play by Steve Earle.
Split into simpler sentences: He made a cameo as one of the "gang of four" in the indie film, Waking Life. He is scheduled to play Jerry in the New York City premiere of "Karla", a new play by Steve Earle.