Eric
Windows
Hutch
Zoe
Linus
Chaz
Big Chuck
Garfunkel
Admiral Seasholtz / Alien / Roach
Myron
The Vulcan / Gruvock (as Thom Bishops)
Simon
The Chief
Rogue Leader / Kimmy
Harry Knowles
Amber
Crystal
Himself
Doctor
Judge Reinhold
Guy at gas station
Bob the Trucker
Jail Guard
THX Security Guard #1
THX Security Guard #2
THX Security Guard #4
THX Security Guard #5
Bartender
Boba Fett #1
Boba Fett #2
Thick-Necked Thug
Ewok
Head of Security (uncredited)
Self (uncredited)
Anteaus (archive footage) (uncredited)