Seth MacFarlane Peter Griffin as Han Solo , Brian Griffin as Chewbacca , Stewie Griffin as Darth Vader , Glenn Quagmire as C-3PO , Tom Tucker as Imperial Newscaster Voice, Executive Producer Alex Borstein Lois Griffin as Princess Leia Voice Seth Green Chris Griffin as Luke Skywalker Voice Mila Kunis Meg Griffin Voice Mike Henry Cleveland Brown as R2-D2 , John Herbert as Obi-Wan Kenobi , Fouad as Imperial Officer Voice Patrick Warburton Joe Swanson as Biggs Darklighter Voice Adam West Mayor Adam West as Grand Moff Tarkin Guest Voice Chevy Chase Clark Griswold Guest Voice Beverly D'Angelo Ellen Griswold Guest Voice Lori Alan Diane Simmons as Imperial Newscaster Guest Voice Mick Hucknall Himself (as Simply Red) Guest Voice Phil LaMarr Ollie Williams as Imperial Meteorologist , Redd Fox Guest Voice Rush Limbaugh Red 6 Guest Voice Leslie Nielsen Dr. Rumack (archive footage) Guest Voice Helen Reddy Herself Guest Voice Alec Sulkin Additional Voices Guest Voice John Viener Additional Voices Guest Voice Don Theerathada Thai Pilot Guest Voice Judd Nelson John Bender Guest Voice David Zuckerman Executive Producer Dominic Polcino Director James Purdum Director Peter Shin Director