Det. Larry Zito
Adam
Timothy Bryce
Devon Berk / Billy Side
Self
Coop
Marshall
Seamus O'Grady
Cowboy
Evil DJ
Guy Cooley
Carlo Honklin
Bradley Lake
Jesus H. Christ
Jan Jürgen
Jack
Megaminds's Father (voice)
Leezar
Seth
Daniel Beckett
Rory
UH-1 Huey Gunner (uncredited)
Rebecca's Boyfriend
Devon Burke
Officer David Bontempo
Flav Santana
Tom Watson
Narrator (voice)
Garmadon (voice)
Duck Teddington
Drew
Mel Wulf
Master Codebreaker
Mark
James
Nick Gable
Tramp (voice)
Dropkick (voice)
Adrian Martin
Ethan Chase (uncredited)
Mark Brooks
The Voice
Joe
Simon Walker
Pete
John Hancock
Dr. James K. Mantleray
Miles Knightly (voice)
Kevin Garvey
Jared
Vaughn Wysel
Self - Interviewee
Self - Cameo (uncredited)
Allie Fox
G. Gordon Liddy
Frankie Stone
Self - "Tapis Rouge" Guest
Raymond Brown
Justin
Nick Pierce