Simon Pegg as Graeme Willy

Nick Frost as Clive Gollings

Seth Rogen as Paul (voice)

Jason Bateman as Special Agent Lorenzo Zoil

Kristen Wiig as Ruth Buggs

Bill Hader as Haggard

Blythe Danner as Tara Walton

Joe Lo Truglio as O'Reilly

John Carroll Lynch as Moses Buggs

Jane Lynch as Pat Stevenson

David Koechner as Gus

Jesse Plemons as Jake

Sigourney Weaver as The Big Guy

Jeffrey Tambor as Adam Shadowchild

Steven Spielberg as Self

Mia Stallard as Young Tara

Bobby Lee as Valet

Jennifer Granger as Adam Shadowchild Fan

Jeremy Owen as Sword Vendor

David House as Security Guard

Nelson Ascencio as Jorge

Mark Sivertsen as State Trooper

Joe Berryman as Gas Station Attendant

Syd Masters as Band Member #1

Gary Roller as Band Member #2

Oliver O'Shea as Band Member #3

Lonnie Otha-Mayer as Band Member #4

Will Veitch as Band Member #5

Mike Miller as Police Officer

Lori Dillen as Robed Woman

J. Todd Anderson as Comic Store Clerk

Brett Michael Jones as Keith Nash

Diego Deane as Fireworks Store Clerk

Joel Thingvall as Comic Book Dealer (uncredited)

Robert Amstler as Comic Con Conan (uncredited)

Dawn Barber as Sailor Moon (uncredited)

Chad Boardsen as Snake Plissken Cosplay (uncredited)

Devin Faraci as Comic Con Nerd (uncredited)

David Fernandez Jr. as Comic Con (uncredited)

Larry Goldstein as Comic-Con Chewbacca (uncredited)

Zack Kennedy as Comic Con Nerd (uncredited)

Chris Kittinger as Bar Patron (uncredited)

Jeremiah Krage as Baker (uncredited)

Paula LaBaredas as Princess Leia (uncredited)

Sylvia Adelina Padilla as Felix the Cat (uncredited)

Michael Neal Powell as Bartender (uncredited)

Phoebe Price as Princess Lea (uncredited)

Chris Rymer as Comic Con Clone Trooper (uncredited)

Joy Sudduth as Angry Stage Manager (uncredited)

Brian Ulrich as Gray Uglydoll (uncredited)