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 / Safeguard #1 / Italian #2 / White Guard #2 (voice)
Acting
Alex Borstein
Lois Griffin as Princess Leia / Barbara Pewterschmidt as Aunt Beru (voice)
Acting
Seth Green
Chris Griffin as Luke Skywalker (voice)
Acting
Mila Kunis
Meg Griffin (voice)
Acting
Mike Henry
Cleveland Brown as R2-D2 / John Herbert as Obi-Wan Kenobi / Bruce the Performance Artist as Greedo / Fouad as Imperial Officer (voice)
Acting
Lori Alan
Diane Simmons as Imperial Newscaster (voice)
Acting
Rush Limbaugh
Himself / Red 6 (voice)
Acting
Tom Baker
The Doctor (archive footage)
Acting
Mark Hentemann
Opie as Tusken Raider (voice)
Acting
Phil LaMarr
Ollie Williams as Imperial Meteorologist / Redd Fox (voice)
Acting
John Viener
TV Announcer / Black Guard / Spaceguard #1 / White Guard #1 / Vader Guard #2 / Sean Connery (voice)
Acting
Leslie Nielsen
Dr. Rumack (archive voice)
Acting
Patrick Warburton
Joe Swanson as Biggs Darklighter (voice)
Acting
John G. Brennan
Mort Goldman as Jawa (as Johnny Brennan)
Acting
Steve Callaghan
Rebel Soldier (voice)
Acting
Chevy Chase
Clark Griswold (voice)
Acting
Beverly D'Angelo
Ellen Griswold (voice)
Acting
Mick Hucknall
Himself (voice)
Acting
Helen Reddy
Herself (voice)
Acting
Danny Smith
Vader Assistant 2 / Italian 1 / Vade Guard 1 / Darth Harrington (voice)
Acting
Alec Sulkin
Various Characters (voice)
Acting
Don Thai Theerathada
Thai Pilot (voice) (as Don Tai)
Crew
Adam West
Mayor Adam West as Grand Moff Tarkin (voice)
Acting
Judd Nelson
John Bender (uncredited) (voice)
Acting