Sam Huntington
Eric
Jay Baruchel
Windows
Dan Fogler
Hutch
Kristen Bell
Zoe
Christopher Marquette
Linus
David Denman
Chaz
Christopher McDonald
Big Chuck
Isaac Kappy
Garfunkel
Seth Rogen
Admiral Seasholtz / Alien / Roach
Charlie B. Brown
Myron
Tarek Bishara
The Vulcan / Gruvock (as Thom Bishops)
Danny Trejo
The Chief
Allie Grant
Rogue Leader / Kimmy
Ethan Suplee
Harry Knowles
Jaime King
Amber
Pell James
Crystal
William Shatner
Himself
Carrie Fisher
Doctor
Billy Dee Williams
Judge Reinhold
Kevin Smith
Guy at gas station
Jason Mewes
Guy at gas station
Joe Lo Truglio
Jail Guard
Chuck Borden
THX Security Guard #1
Ray Park
THX Security Guard #2
Will Forte
THX Security Guard #4
Craig Robinson
THX Security Guard #5
Lou Taylor Pucci
Boba Fett #1
Noah Segan
Boba Fett #2
Danny McBride
Head of Security (uncredited)
Peter Mayhew
Self (uncredited)
Armin Shimerman
Anteaus (archive footage) (uncredited)
Stephen Pina
Simon
Zak Knutson
Bob the Trucker
Clark Sanchez
Bartender
Stanley Shunkamolah
Thick-Necked Thug
Hugh Elliot
Ewok
