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 / Carter Pewterschmidt as Uncle Owen / Additional Voices (voice)
Alex Borstein
Lois Griffin as Princess Leia / Barbara Pewterschmidt as Aunt Beru (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 / Bruce the Performance Artist as Greedo / Fouad as Imperial Officer (voice)
Lori Alan
Diane Simmons as Imperial Newscaster (voice)
Patrick Warburton
Joe Swanson as Biggs Darklighter (voice)
Adam West
Mayor Adam West as Grand Moff Tarkin (voice)
John G. Brennan
Mort Goldman as Jawa (voice)
Phil LaMarr
Ollie Williams as Imperial Meteorologist / Redd Fox (voice)
Mark Hentemann
Opie as Tusken Raider (voice)
Chevy Chase
Clark Griswold (voice)
Beverly D'Angelo
Ellen Griswold (voice)
Don Thai Theerathada
Thai Pilot (voice)
Steve Callaghan
Rebel Soldier (voice)
Rush Limbaugh
Rush Limbaugh / Red 6 (voice)
Alec Sulkin
Various (voice)
John Viener
Various (voice)
Helen Reddy
Herself (voice)
Mick Hucknall
Himself (voice)
Leslie Nielsen
Dr. Rumack (archive footage)
Tom Baker
The Doctor (archive footage)
Judd Nelson
John Bender (voice) (uncredited)