A-B
Admiral Ozzel:  Michael Sheard
Admiral Piett:  Kenneth Colley
Ben Kenobi:  Sir Alec Guinness
Boba Fett:  Jeremy Bulloch

C
C-3PO:  Anthony Daniels
Captain Needa:  Michael Culver
Chewbacca:  Peter Mayhew
Chief Ugnaught*:  Jack Purvis

D-F
Dack:  John Fass Morton
Darth Vader:  David Prowse
Darth Vader's voice:  James Earl Jones
Deck Lieutenant: Jack McKenzie
Emperor's voice:  Clive Revill

G-H
General Rieekan:  Bruce Boa
General Veers:  Julian Glover
Han Solo:  Harrison Ford
Head Controller:  Jerry Harte
Hobbie/Rogue 4:  Richard Oldfield

I-K
IG-88:  Paul Klein
Imperial Officer:  John Dicks
Imperial Officer:  Milton Johns
Imperial Officer:  Mark Jones
Imperial Officer:  Robin Scobey
Imperial Officer:  Oliver Maguire
Janson:  Ian Liston

L-N
Lando Calrissian:  Billy Dee Williams
Leia Organa:  Carrie Fisher
Lobot:  John Hollis
Lt. Sheckil
Luke Skywalker:  Mark Hamill
Major Bren Derlin:  John Ratzenberger

O-P
Obi-Wan Kenobi:  Sir Alec Guinness
Princess Leia:  Carrie Fisher

R-T
R2-D2:  Kenny Baker
Rebel Officer:  Norman Chancer
Rebel Officer:  Norwich Duff
Rebel Officer:  Ray Hassett
Rebel Officer:  Burnell Tucker
Toryn Farr:  Brigitte Kahn

U-Z
Wampa Ice Creature:  Des Webb (in the original trilogy)
Wedge Antilles:  Denis Lawson
Yoda:  Frank Oz (puppeteer)
Zev:  Christopher Malcolm