Seth MacFarlane
Role: 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)
Alex Borstein
Role: Lois Griffin as Princess Leia / OnStar Voiceover / Empire Member's Wife / Robot Wife (voice)
Seth Green
Role: Chris Griffin as Luke Skywalker (voice)
Mila Kunis
Role: Meg Griffin as Giant Space Slug (voice)
H. Jon Benjamin
Role: Carl as Yoda (voice)
Mike Henry
Role: Cleveland Brown as R2-D2 / John Herbert as Obi-Wan Kenobi / Bruce the Performance Artist as Captain Piett / Consuela (voice)
John G. Brennan
Role: Mort Goldman as Lando Calrissian (voice)
James Woods
Role: James Woods as General Veers (voice)
Mark Hentemann
Role: Phony Guy as Admiral Ozzel (voice)
Danny Smith
Role: Ernie the Giant Chicken as Boba Fett / Vader Guard 1 / Paul McCartney / Emperor Member 1 / Robot Husband (voice)
Patrick Warburton
Role: Joe Swanson as Imperial Probe Droid (voice)
Dolph Lundgren
Role: Ivan Dragon (voice)
Brigitte Nielsen
Role: Ludmilla Vobet Dragon (voice)
James Caan
Role: Self (voice)
John Bunnell
Role: Sheriff John Bunnell (voice)
John Viener
Role: TV Announcer / Commander #1 / Gordon / Dennis Haysbert / Emperor Member #69 / Raggedy Randy (voice)
Joe Flaherty
Role: Western Union Man (voice)
Kevin Michael Richardson
Role: Strong Black Man (voice)
Chris Cox
Role: Various Characters (voice)
Phil LaMarr
Role: Various Characters (voice)
Wally Wingert
Role: Various Characters (voice)
Chris Sheridan
Role: Various Characters (voice)
Kirker Butler
Role: Various Characters (voice)
Jackson Douglas
Role: Various Characters (voice)
Ralph Garman
Role: Various Characters (voice)
Alec Sulkin
Role: Various Characters (voice)
Nickie Bryar
Role: Various Characters (voice)
Aaron Krebs
Role: Various Characters (voice)
D. C. Douglas
Role: Imperial Guard #3 (voice) (uncredited)
Megan Grano
Role: Various Characters (voice) (uncredited)