Gregg Turkington
The Joker
Special Agent Jonathan Kington
Gregg
Camera Operator
Neil Hamburger
Jonathan Kingston
Bobby
Dale
Himself
The Comedian
McPatrick Head
Himself/ Master Code Breaker Jonathan Kington
Dr. Anthony
Sergeant Brooks
Stand Up Comic
Advertiser
Six
Host (as Neil Hamburger)
Osric (as Neil Hamburger)
Tripp Spencer (voice)
Lawrence Territo
Dr. Ralph Annesley
Young Toby Determined (voice)
Toby Determined (voice)
Special Agent Kington
Special Agent Jonathan Kington / Old Kington
Clegg (voice)
Egg-Zackly Guy (uncredited)
Self
Miz Abbott (voice)
Greg / Square Dad / Punk (voice)