Sam Huntington as Eric

Jay Baruchel as Windows

Dan Fogler as Hutch

Kristen Bell as Zoe

Christopher Rodriguez Marquette as Linus

David Denman as Chaz

Christopher McDonald as Big Chuck

Isaac Kappy as Garfunkel

Seth Rogen as Admiral Seasholtz / Alien / Roach

Charlie B. Brown as Myron

Tarek Bishara as The Vulcan / Gruvock (as Thom Bishops)

Stephen Pina as Simon

Danny Trejo as The Chief

Allie Grant as Rogue Leader / Kimmy

Ethan Suplee as Harry Knowles

Jaime King as Amber

Pell James as Crystal

William Shatner as Himself

Carrie Fisher as Doctor

Billy Dee Williams as Judge Reinhold

Kevin Smith as Guy at gas station

Jason Mewes as Guy at gas station

Zak Knutson as Bob the Trucker

Joe Lo Truglio as Jail Guard

Chuck Borden as THX Security Guard #1

Ray Park as THX Security Guard #2

Will Forte as THX Security Guard #4

Craig Robinson as THX Security Guard #5

Clark Sanchez as Bartender

Lou Taylor Pucci as Boba Fett #1

Noah Segan as Boba Fett #2

Stanley Shunkamolah as Thick-Necked Thug

Hugh Elliot as Ewok

Danny McBride as Head of Security (uncredited)

Peter Mayhew as Self (uncredited)

Armin Shimerman as Anteaus (archive footage) (uncredited)