REPARTO:
Luke Skywalker - Mark Hamill
Han Solo - Harrison Ford
Princess Leia Organa - Carrie Fisher
Grand Moff Wilhuff Tarkin - Peter Cushing
Ben (Obi-Wan) Kenobi - Sir Alec Guinness
See Threepio (C-3PO) - Anthony Daniels
Artoo-Detoo (R2-D2) - Kenny Baker
Chewbacca - Peter Mayhew
Lord Darth Vader - David Prowse
Uncle Owen Lars - Phil Brown
Aunt Beru Lars - Shelagh Fraser
Chief Jawa (Dathcha) - Jack Purvis
General Jan Dodonna - Alex McCrindle
General Vanden Willard - Eddie Byrne
Red Leader (Garven "Dave" Dreis) - Drewe Henley
Red 2 (Wedge Antilles) - Denis Lawson
Red 3 (Biggs Darklighter) - Garrick Hagon
Red 4 (John D.) - Jack Klaff
Red 6 (Jek Porkins) - William Hootkins
Gold Leader (Jon "Dutch" Vander) - Angus MacInnes
Gold 2 (Tiree) - Jeremy Sinden
Gold 5 (Davish "Pops" Krail) - Graham Ashley
General Tagge - Don Henderson
Admiral Motti - Richard Le Parmentier
Commander #1 (Chief Bast) - Leslie Schofield
Voice of Darth Vader (Special Edition) - James Earl Jones (crédito no incluido anteriormente)

REPARTO NO ACREDITADO:
Captain Colton Antilles - Alan Harris
Hem Dazon ("Unut Poll") / Figrin D'an - Rick Baker
Tech Mo'r - Jon Berg
Lirin Car'n / Ickabel G'ont - Doug Beswick
Greedo - María de Aragón / (Special Edition) - Paul Blake
Voice of Greedo - Larry Ward
Thuku - Janice Burchette
Wuher - Ted Burnett
Tzizvvt - Stephen Calcutt
Wioslea - Barry Copping
Takeel - Billy Davies
Hrchek Kal Fas - Robert A. Denham
Reegesk - Sadie Eddon
Djas Puhr - Kim Falkinburg
Kabe - Barry Gnome
Muftak / Nalan Cheel - Laine Liska (puppeteer)
Brea Tonnika ("Shada D'ukal") - Christine Hewitt
Senni Tonnika ("Karoly D'ulin") - Angela Staines
Dr. Roofoo Evazan - Alfie Curtis
Ponda Baba - Tommy Ilsley
Tawss Khaa - Annette Jones
Neesh - Linda Jones
Solomahal - Joe Kaye
Kitik Keed'kak / EG-6 - Jack Purvis (puppeteer)
Swilla Corey - Mandy Morton
Rycar Ryjerd - Marcus Powell
Hrchek Kal Fas - Ken Robertson
Leesub Sirln - Pam Rose
Mosep - Erica Simmons
Bom Vimdin / Tedn Dahai - Tom St. Amand
Sai'torr Kal Fas - Peter Sturgeon
Myo / Doikk Na'ts / Trinto Duaba - Phil Tippett (puppeteer)
Dacha - Hal Wamsley
Nabrun Leids - Diana Sadley Way
Jawas - Melissa Kurtz
Jawas - Tiffany L. Kurtz
Jawas - Mahjoub
Takeel - Alf Mangan
Danz Borim - George Stock
Garouf Lafoe - Peter Diamond
Yerka Mig - Fred Wood
Merc Sunlet - Isaac Grand
Djas Puhr - Kim Falkinburg
Local Ugly Men - Fred Wood
Local Ugly Men - Roy Straite
Local Ugly Men - Anthony Lang
Local Ugly Men - Robert Davies
Local Ugly Men - Salo Gardner
Local Ugly Men - Jeff Moon
Man Entering Cantina - Steve 'Spaz' Williams
Bantha - Mardji (an elephant!)
Stormtrooper / Garouf Lafoe / UroRRuR'R'R (tusken clan chief) - Peter Diamond
Stormtrooper - Anthony Forrest
Death Star Troopers - Joe Johnston
Death Star Troopers - Steve Gawley
Death Star Gunner - Grant McCune
Imperial bureaucrats - George Stock
Imperial bureaucrats - Isaac Grand
Lieutenant Pol Treidum - Peter Sumner
Lieutenant Shann Childsen - Malcolm Tierney
Voice of stormtroopers - John Sylla
Voice of stormtroopers - Tom Sylla
Del Goren - Burnell Tucker
Theron Nett (Red 10) - Mauy Chaykin
X-Wing Pilot - John Chapman
Massassi Base Rebel Scout - Lorne Peterson
Rebel Technician - Shane Rimmer
Stormtroopers (Special Edition) - Rick McCallum
Stormtroopers (Special Edition) - Nelson Hall
Ketwol / Melas (Special Edition) - Harold "Howie" Weed
Boba Fett (Special Edition) - Paul Blake
Jabba the Hutt (Special Edition) - Declan Mullholand

Producida por: Gary Kurtz / Rick McCallum (Special Edition)
Productor Ejecutivo: George Lucas
Dirigida por: George Lucas.
Escrita por: George Lucas.
Edición: Paul Hirsch, Marcia Lucas, Richard Chew, George Lucas (sin crédito), T.M. Christopher (Special Edition)
Director de Fotografía: Gilbert Taylor
Música: John Williams
Diseño de Producción: Jonathan Barry
Dirección Artística: Norman Reynolds y Leslie Dilley
Diseñador de Escenografía: Roger Christian
Efectos Especiales: Rick Baker, John Dykstra, Joe Johnston
Efectos Visuales: John Stears, John Dykstra, Richard Edlund, Grant McCune, Robert Blalack
Efectos de Sonido: Ben Burtt
Sonido: Don MacDougall, Ray West, Bob Minkler, Derek Ball
Coordinador de Dobles: Peter Diamond
Maquillaje: Stuart Freeborn y Douglas Beswick
Casting: Dianne Crittenden, Irene Lamb.
Vestuario: John Mollo y Ron Beck
Animador: Adam Beckett