Seth MacFarlane
Peter Griffin as Han Solo / Brian Griffin as Chewbacca / Stewie Griffin as Darth Vader / Glenn Quagmire as C-3PO / Dr. Elmer Hartman as General Rieekan / Carter Pewterschmidt as Emperor Palpatine (voice)
Alex Borstein
Lois Griffin as Princess Leia (voice)
Seth Green
Chris Griffin as Luke Skywalker (voice)
Mila Kunis
Meg Griffin as Giant Space Slug (voice)
H. Jon Benjamin
Carl as Yoda (voice)
Mike Henry
Cleveland Brown as R2-D2 / John Herbert as Obi-Wan Kenobi / Bruce the Performance Artist as Captain Piett / Consuela (voice)
Danny Smith
Ernie the Giant Chicken as Boba Fett (voice)
James Woods
James Woods as General Veers (voice)
Patrick Warburton
Joe Swanson as Imperial Probe Droid (voice)
John G. Brennan
Mort Goldman as Lando Calrissian (voice)
Mark Hentemann
Phony Guy as Admiral Ozzel (voice)
James Caan
Himself (voice)
John Bunnell
Sheriff John Bunnell (voice)
Kevin Michael Richardson
Strong Black Man (voice)
Joe Flaherty
Western Union Man (voice)
Dolph Lundgren
Captain Ivan Drago (archive footage)
Tom Selleck
Himself (archive footage)
George Rogan
Igor Rimsky (archive footage)
Brigitte Nielsen
Ludmilla Vobet Drago (archive footage)
James 'Cannonball' Green
Manuel Vega (archive footage)
Michael Pataki
Nicoli Koloff (archive footage)
D.C. Douglas
Imperial Guard #3 (voice) (uncredited)
Megan Grano
(voice) (uncredited)