 | Mark Hamill Luke Skywalker |
 | Harrison Ford Han Solo |
 | Carrie Fisher Princess Leia Organa |
 | Peter Cushing Grand Moff Tarkin |
 | Alec Guinness Ben (Obi-Wan) Kenobi |
 | Anthony Daniels See-Threepio / C-3PO |
 | Kenny Baker Artoo Detoo / R2-D2 |
 | Peter Mayhew Chewbacca |
 | David Prowse Darth Vader |
 | Jack Purvis Chief Jawa/ Kitik Keed'kak |
 | Eddie Byrne General Vanden Willard |
 | James Earl Jones Voice: Darth Vader (not credited on original release) |
 | Phil Brown Uncle Owen |
 | Shelagh Fraser Aunt Beru |
 | Alex McCrindle General Jan Dodonna |
 | Drewe Henley Red Leader [Garven Dreis] (as Drewe Hemley) |
 | Denis Lawson Red Two (Wedge) (as Dennis Lawson) |
 | Garrick Hagon Red Three (Biggs) |
 | Jack Klaff Red Four (John "D") |
 | William Hootkins Red Six (Porkins) |
 | Angus MacInnes Gold Leader (as Angus McInnis) |
 | Jeremy Sinden Gold Two |
 | Graham Ashley Gold Five |
 | Don Henderson General Tagge [misspelled Tagge in end credits] |
 | Richard LeParmentier Admiral Motti [listed as General Motti in end credits] |
 | Leslie Schofield Commander #1 [Chief Bast] |
 | |
 | John William Ault Rebel Officer (Commander Bob Hudsol) |
 | Mark Anthony Austin Boba Fett (special edition) |
 | Bill Bailey Cantina Patron (unconfirmed) |
 | Rick Baker Hem Dazon/ Figrin D'an (not) |
 | Francis Batsoni Cantina Patron |
| Stephen Bayley TK-421 / Darth Vader's Hands in TIE Fighter |
 | Jack 'Kid' Berg Rebel Technician at Briefing |
 | Jon Berg Momaw Nadon/ Nalan Cheel |
 | Doug Beswick Lirin Car'n (Cantina Musician) / Tusken Raider on Bantha |
 | John Birkinshaw Undetermined Role |
 | Paul Blake Greedo (UK shoot) |
 | Rob Bottin Cantina Band |
| Lorrane Bowman Cantina Patron (UK shoot) |
 | Andy Bradford Lieutenant Tanbris |
 | Chris Bunn Danz Borin / Rebel Tech |
 | Janice Burchette Cantina Alien ("Plutonian / Martian") [Nabrun Leids] |
 | Ted Burnett Cantina Barman [Wuher] |
| Toby Burns Mos Eisley Citizen |
 | Maurice Bush Stand-In: David Prowse (his feet are kicking Obi-Wan's cloak) |
 | Tony Castleton Undetermined Role |
| Kevin Chu Mos Eisley Citizen (SE only) |
 | David Church Tech / Stormtrooper |
 | Mickey Clarke Undetermined Role |
 | Norton Clarke Rebel in Briefing Room |
 | Ronnie Conrad Sergeant Major Enfield, Death Star Trooper |
 | Jenny Cresswell Local Girl in Cantina [Jenny] [scenes deleted, but still visible in long shots] |
 | Alfie Curtis Grubby Human [Dr. Cornelius Evazan] |
 | Anthony Daniels CZ-3 |
 | Robert Davies Local Ugly Man #4 |
 | Maria de Aragon Greedo (US shoot) |
 | Barbie Denham Cantina Alien ("Crocker") [Hrchek Kal Fas] |
| Frazer Diamond Jawa |
 | Peter Diamond Tusken Raider/ Garouf Lafoe/ Corporal Prescott/ Stormtrooper Sandtrooper |
| Warwick Diamond Jawa |
 | Malcolm Dixon Jawa |
| Bobby Drisco Rebel Pilot |
 | Eddie Eddon Lt. Pello Scrambas |
 | Sadie Eden Cantina Alien ("Rodent") [Reegesk] [regardless of what other sites claim, she did NOT play Garindan] |
 | Jonathan Erland Death Star Controller |
 | David Eynon Rebel Pilot [Gold Six - Hol Olkand] |
 | Stenson Falke Imperial Officer |
 | Kim Falkinburg Cantina Alien [Djas Puhr] |
 | Harry Fielder Corporal Grenwick, Death Star Trooper |
 | Ray Ford Rebel in Opening Scene |
 | John Forgeham Star Destroyer Officer [Captain Bolvan] "Hold your fire" |
 | Anthony Forrest Stormtrooper questioning Obi-Wan/ Laze "Fixer" Loneozner [Deleted scene] |
 | Ted Gagliano Stormtrooper with Binoculars (SE only) |
 | Vic Gallucci Rebel Pilot/ Stormtrooper |
 | Salo Gardner Cantina Patron (Local Ugly Man #2) Stormtrooper (he did not play Trinto Duaba) |
 | Steve Gawley Death Star Gunner #2 |
 | Peter Geddis Captain Antilles |
 | Barry Gnome Kabe (possibly not) |
 | Rusty Goffe Kabe/ Gonk Droid/ Jawa |
 | Laurie Goode Saurin at Mos Eisley/ Stormtrooper (the one who bumps his head) |
 | Isaac Grand Cantina Patron (Bureaucrat #2) |
 | Charlie Gray Conference Room Officer [General Trech Molock] |
| Charlotte Gregory Cantina Patron |
 | Nelson Hall Stormtrooper (special edition) |
 | Alan Harris Stormtrooper / Rebel escorting Leia on Yavin |
| Simon Henderson Jawa in Cantina |
 | Walter Henry Rebel Officer |
 | Christine Hewett Brea Tonnika |
 | Colin Higgins Rebel Pilot ('fake Wedge') |
 | Dave Holland Rebel Technician at Briefing [Grondom Muse] |
| Bob Holmes Undetermined Role |
 | Lewis Hooper Rebel Tech on Yavin / Stormtrooper |
 | Ken Hutchins Undetermined Role |
 | Tommy Ilsley Ponda Baba??? |
 | Steve Ismay Stormtrooper |
 | Joe Johnston Death Star Gunner #1 |
 | Annette Jones Mosep Binneed |
| Linda Jones Chall Bekan |
 | Patrick Jordan Imperial Officer Cass |
 | Nick Joseph Medal Bearer |
 | Joe Kaye Solomahal |
 | Ellison Kemp Undetermined Role |
 | John Ketteringham Ryle Torsyn (Gold Three) |
| Mark Kirby Rebel Trooper |
 | Colin Michael Kitchens Voice: Stormtrooper Davin Felth "Look sir, droids" Cantina walla Massassi Outpost walla |
| Melissa Kurtz Jawa |
| Tiffany L. Kurtz Jawa |
 | Al Lampert Commander Daine Jir |
 | Anthony Lang Rebel Technician (not a cantina patron!) |
 | Michael Leader Stormtrooper |
 | George Leech Rebel Soldier |
 | Laine Liska Muftak/ Nalan Cheel |
 | Derek Lyons Medal Bearer |
| Mahjoub Jawa |
 | Alf Mangan Takeel |
| Mardji Bantha |
 | Rick McCallum Stormtrooper (special edition) |
| Grant McCune Death Star Gunner |
 | Gloria McGuire Undetermined Role |
 | Bronco McLoughlin Stormtrooper |
 | Giles Melville X-Wing Pilot |
 | Geoffrey Moon Cantina Patron |
 | Mandy Morton Swilla Corey |
 | James Muir X-Wing Pilot |
 | Christopher Muncke Captain Khurgee, Docking Bay Officer |
 | Stuart Myers Mos Eisley Citizen |
 | Ronald Nunnery Undetermined Role |
 | Robert O'Mahoney Theron Nett (Red Ten) |
| David Paine X-Wing Pilot |
 | Lorne Peterson Corporal Osleo Prennert |
 | Marcus Powell Rycar Ryjerd |
 | Shane Rimmer Incom Engineer |
 | Bill Risley Rebel Pilot |
| Eileen Roberts Cantina |
 | Henry Roberts Rebel Dignitary |
| Ken Robertson Cantina Patron (role declined) |
 | Pam Rose Leesub Sirln |
 | George Roubicek Commander Praji |
 | Arthur Rowton Zutton |
 | Peter Roy Rebel Engineer (also Danz Borin?) |
| Diana Sadley-Way Cantina Alien |
 | Ian Selby Conference Room Officer [General Hurst Romodi] |
| Julie Sharpe Protocol Droid on Sandcrawler |
| Erica Simmons Tawss Khaa |
 | Sally Sinclair Mos Eisley Resident [Brindy Truchong] |
 | Colin Skeaping Sandtrooper Devin Cant |
| Bob Spiker Tusken Raider |
 | Angela Staines Senni Tonnika |
 | Sandy Stein Conference Room Officer [Admiral Wulff Yularen] |
 | David Stone Wioslea Luke Double in X-Wing |
 | Peter Sturgeon Sai'torr Kal Fas (replaced in final cut) |
 | Peter Sturgeon Sai'torr Kal Fas |
 | Peter Sumner Lt. Pol Treidum, Death Star Officer |
 | Ron Tarr Cantina Patron / Jabba's Henchman |
 | Reg Thomason Rebel Officer |
 | Malcolm Tierney Lt. Shann Childsen, Officer in Detention Area |
 | Phil Tippett Myo (Cyclops)/ Doikk Na'ts |
 | Basil Tomlin BoShek (Cantina Pilot) |
 | Basil Tomlin Stormtrooper |
 | John Triplett Undetermined Role |
| Alan Troy Rebel Technician |
 | Burnell Tucker Del Goren |
 | Unknown Nova Stihl, Imperial Guard |
 | Unknown Boelo [Special Edition only] |
 | Unknown Sariss |
 | Unknown Commander Evram Lajaie |
 | Unknown Firin Morett |
 | Unknown Bren Quersey (Red Eight) |
 | Unknown Lt. Wenton Chan (Red Eleven) |
 | Unknown Feyn Gospic |
 | Unknown18163-78 Rebel Trooper |
 | Unknown18163-82 Garindan |
| Robert van Kaphengst Imperial Officer |
 | Kelly Varney Rebel Pilot |
 | Terry Walsh Undetermined Role |
| Bob Watson Cantina Patron |
 | Diana Sadley Way Thuku |
 | Malcolm Weaver Imperial Officer |
 | Chris Webb Stormtrooper |
 | Harold Weed Melas/ Ketwol [Special Edition only] |
 | Tommy Weldin Gela Yeens [Special Edition] |
 | Ted Western Merc Sunlet / Rebel at Awards Ceremony |
 | Fred Wood Cantina Patron (Local Ugly Man #1) |
 | Syd Wragg Imperial Officer/ Rebel Carrier Driver |
 | John Wreford Lieutenant Hija "There goes another one" |
 | Unknown R2-Q2 |
 | Unknown R2-A5 |
 | Unknown 5D6-RA7 |
 | Unknown R4-E1 |
 | Unknown R4-M9 |
 | Unknown DV-692 (Stormtrooper who stuns Leia) |
 | Unknown 3B6-RA-7 |
 | Unknown 6Y-2KPR |
 | Unknown R5-D4 |
 | Unknown WED15-1662 |
 | Unknown M-HYD 6804 |
 | Unknown CZ-1 |
 | Unknown R1-G4 |
 | Unknown WED-15-ST68 |
 | Unknown L1N-V8K |
 | Unknown R5-A2 |
 | Unknown R2-X2 |
 | Wendy Leech U-3PO / C-3PO stand-in |
 | Jerry Baker Scanning Crew |
 | Mykel Mills Elyhek Rue (Red Seven) |
 | Unknown Lepira (Gold Four) |
 | Unknown Cantina Patron |
 | Unknown Pons Limbic |
 | Unknown IM4-099 [Special Edition only] |
 | Unknown ASP-704 [Special Edition only] |
 | Rusty Goffe Het Nkik |
 | Unknown Ezjenk (Jawa) |
 | Unknown Ukchet (Jawa) |
 | Unknown Yeelhoy (Jawa) |
 | Unknown Jet Nkik (Jawa) |
 | Unknown Dathcha (Jawa) |
| Maureen Charlton Jawa |
 | Unknown Iasa, Jawa at Mos Eisley |
 | Tom St. Amand Bom Vimdin/ Tedn Dahai |
 | Unknown Stormtrooper on Tantive IV who spots Leia |
 | Unknown Feltipern Trevagg |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown Rebel Officer on Tantive IV |
 | Unknown M'iiyoom Onith |
 | Unknown Cantina Patron [possibly 'Ariq Joanson'?] |
 | Unknown Neesh |
 | Unknown Arleil Schous |
 | Jon Berg Ellorrs Madak |
 | Jon Berg Baniss Keeg |
 | Unknown Dice Ibegon |
 | Unknown Cantina Patron (Bureaucrat #1 ?) |
 | Roy Staite Dannik Jerriko |
 | George Stock Yerka Mig Rebel at Awards Ceremony |
 | Unknown Nimbanel |
 | Peter Hunt Tatooine resident #2 at Cantina [Special Edition only] |
 | Steve 'Spaz' Williams Tatooine resident #1 at Cantina [Special Edition only] |
 | George Oliver Debnoli |
 | Vass Anderson Rebel |
 | Stephen Fitzalan Ground Tech |
 | John Chapman Rebel Pilot at Briefing [name Red Twelve / Drifter is fan-made] |
| Paul Bannon Stormtrooper / Mos Eisley Citizsen / Rebel Trooper |
 | Stephen Buchanan Stormtrooper |
| Terry Cade Stormtrooper |
 | John Cannon Stormtrooper |
 | Derek Chafer Stormtrooper |
 | Tim Condren Stormtrooper |
 | Jim Dowdall Stormtrooper |
 | Peter Dukes Stormtrooper |
 | David Field Stormtrooper |
| Terry Francis Stormtrooper |
 | Tex Fuller Stormtrooper |
 | Pat Gorman Stormtrooper |
 | Romo Gorrara Stormtrooper |
 | Richard Graydon Stormtrooper |
 | Reg Harding Stormtrooper /Rebel Trooper / Detention Block Officer / Sandtrooper |
| Noel Hawkins Stormtrooper |
 | Frank Henson Stormtrooper |
 | Arthur Howell Stormtrooper |
| Clay Hunter Stormtrooper |
| Mike Mungarven Stormtrooper |
 | Michael O'Hagan Imperial Officer / Stormtrooper |
 | Dennis Plenty Stormtrooper |
 | Mike Randall Stormtrooper |
 | Martyn Read Stormtrooper |
 | Larry Sheppard Stormtrooper |
 | Tony Smart Stormtrooper |
 | Barry Summerford Stormtrooper |
| Alan Swaden Stormtrooper |
 | Keith Swaden Stormtrooper |
 | Bill Weston Stormtrooper |
| Andrea Wickman-Miller Jawa |
 | Roger Williams Stormtrooper |
| Bunny Alsup Cantina Walla |
 | David Ankrum Voice: Wedge Antilles (both the real one and the fake) |
 | Peter Barbour Stiltman (scenes cut) |
 | Scott Beach Voice: Stormtrooper |
 | Michael Bell Voice: Commander Willard |
| Todd Boekelheide Cantina Walla |
 | Ben Burtt Voice: R2-D2 / Jawas / Red 11 / holochess characters / Death Star PA |
| Tim Donaldson Jawa Carrying R2 |
 | Terence McGovern Voices: Stormtroopers Cantina walla |
 | Harry Shearer Voice: Hija / Captain Khurgee / Tiree |
| John Sylla Voices: Cantina Walla (background voices) |
 | Tom Sylla Voice: Massassi Outpost Announcer |
 | Morgan Upton Voice: Stormtrooper |
| Rick Victor Voice: Jawas |
 | Jerry Walter Voice: Stormtrooper |
| Larry Ward Voice: Greedo |
 | John Wayne Voice: Garindan (heavily altered archival voice) |
| Lucy Autrey Wilson Voices: Cantina |
 | Bob Anderson Stunts |
 | Marc Boyle Stunts |
 | Nick Gillard Stunts |
 | Nosher Powell Stutns |
 | Jay Benedict Deak [Deleted Scene] |
 | Ken Hutchison Undetermined Role (scenes appear to have been cut) |
| Brian Muir Darth Vader (pickup shots) |
 | Declan Mulholland Jabba The Hutt [Deleted Scene] |
 | Koo Stark Camie Loneozner [Deleted Scene] |
 | Unknown Cantina Werewolf [Deleted in the Special Edition] |
 | Peter Brace Chewbacca Double |
 | Stephen Calcutt Chewbacca/Vader Stand-In |
| Harriet Colville Stand-In: Anthony Daniels |
 | Jack Dearlove Stand-In: Harrison Ford |
 | Richard Gregory Stand-in: Alec Guiness |
 | Bill Hibbert Stand-In: Mark Hamill |
| Len Piper Stand-In: Declan Mulholland |
 | Gilda Cohen Kabe (replaced) |
| Barry Copping Wioslea (replaced) |
| Billy Davies Snaggletooth (Takeel) (replaced) |
 | Constantine Gregory Daine Jir (contracted but replaced) |
 | Penny McCarthy Kardue'Sai Malloc Leia's Hands Loading Plans into R2 |