Helen Reddy

Herself (voice)

Danny Smith

Vader Assistant 2 / Italian 1 / Vade Guard 1 / Darth Harrington (voice)

Alec Sulkin

Various Characters (voice)

Don Thai Theerathada

Thai Pilot (voice) (as Don Tai)

Adam West

Mayor Adam West as Grand Moff Tarkin (voice)

Judd Nelson

John Bender (uncredited) (voice)

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)

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)

Rush Limbaugh

Himself / Red 6 (voice)

Tom Baker

The Doctor (archive footage)

Mark Hentemann

Opie as Tusken Raider (voice)

Phil LaMarr

Ollie Williams as Imperial Meteorologist / Redd Fox (voice)

John Viener

TV Announcer / Black Guard / Spaceguard #1 / White Guard #1 / Vader Guard #2 / Sean Connery (voice)

Leslie Nielsen

Dr. Rumack (archive voice)

Patrick Warburton

Joe Swanson as Biggs Darklighter (voice)

John G. Brennan

Mort Goldman as Jawa (as Johnny Brennan)

Steve Callaghan

Rebel Soldier (voice)

Chevy Chase

Clark Griswold (voice)

Beverly D'Angelo

Ellen Griswold (voice)

Mick Hucknall

Himself (voice)