Aaron
Darren
Presenter
Finn
Eric
Vice Principal Monty
Pierre
Conductor
Emmet Walker
Raymond
Tom (voice)
Tony Clark
Vice Principal Tolkan
Witness
Rodney Bingenheimer
Dr. Angelo
Naked Armenian (uncredited)
P.J. Monet
Local Cop
T/Sgt. Ari Peck
Scooby Brainiac (voice)
Robot Man
Scrappy Rex (voice)
Aide-de-Camp
Neal Blank
Excited Alien
The Unknown Filmmaker / Mike Dong
Mayor's Sychophantic Assistant
Beezer