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 / Aaron Sorkin / Cookie Monster / Man / George Takei / Dagobah Man / Commander #2 / Driver / Ringo Starr / Empire Member #2 / Pilot #1 (voice)

Lois Griffin as Princess Leia / OnStar Voiceover / Empire Member's Wife / Robot Wife (voice)

Chris Griffin as Luke Skywalker (voice)

Meg Griffin as Giant Space Slug (voice)

Carl as Yoda (voice)

Cleveland Brown as R2-D2 / John Herbert as Obi-Wan Kenobi / Bruce the Performance Artist as Captain Piett / Consuela (voice)

Mort Goldman as Lando Calrissian (voice)

James Woods as General Veers (voice)

Phony Guy as Admiral Ozzel (voice)

Ernie the Giant Chicken as Boba Fett / Vader Guard 1 / Paul McCartney / Emperor Member 1 / Robot Husband (voice)

Joe Swanson as Imperial Probe Droid (voice)

Ivan Dragon (voice)

Ludmilla Vobet Dragon (voice)

Self (voice)

Sheriff John Bunnell (voice)

TV Announcer / Commander #1 / Gordon / Dennis Haysbert / Emperor Member #69 / Raggedy Randy (voice)

Western Union Man (voice)

Strong Black Man (voice)

Various Characters (voice)

Various Characters (voice)

Various Characters (voice)

Various Characters (voice)

Various Characters (voice)

Various Characters (voice)

Various Characters (voice)

Various Characters (voice)

Various Characters (voice)

Various Characters (voice)

Self (archive footage)

Igor Rimsky (archive footage)

Manuel Vega (archive footage) (as James 'Cannonball' Greene)

Nicoli Koloff (archive footage)

Imperial Guard #3 (voice) (uncredited)

Various Characters (voice) (uncredited)