Sam Huntington

Character: Eric

Jay Baruchel

Character: Windows

Dan Fogler

Character: Hutch

Kristen Bell

Character: Zoe

Christopher Rodriguez Marquette

Character: Linus

David Denman

Character: Chaz

Christopher McDonald

Character: Big Chuck

Isaac Kappy

Character: Garfunkel

Seth Rogen

Character: Admiral Seasholtz / Alien / Roach

Charlie B. Brown

Character: Myron

Tarek Bishara

Character: The Vulcan / Gruvock (as Thom Bishops)

Stephen Pina

Character: Simon

Danny Trejo

Character: The Chief

Allie Grant

Character: Rogue Leader / Kimmy

Ethan Suplee

Character: Harry Knowles

Jaime King

Character: Amber

Pell James

Character: Crystal

William Shatner

Character: Himself

Carrie Fisher

Character: Doctor

Billy Dee Williams

Character: Judge Reinhold

Kevin Smith

Character: Guy at gas station

Jason Mewes

Character: Guy at gas station

Zak Knutson

Character: Bob the Trucker

Joe Lo Truglio

Character: Jail Guard

Chuck Borden

Character: THX Security Guard #1

Ray Park

Character: THX Security Guard #2

Will Forte

Character: THX Security Guard #4

Craig Robinson

Character: THX Security Guard #5

Clark Sanchez

Character: Bartender

Lou Taylor Pucci

Character: Boba Fett #1

Noah Segan

Character: Boba Fett #2

Stanley Shunkamolah

Character: Thick-Necked Thug

Hugh Elliot

Character: Ewok

Danny McBride

Character: Head of Security (uncredited)

Peter Mayhew

Character: Self (uncredited)

Armin Shimerman

Character: Anteaus (archive footage) (uncredited)