- Bill Sebastian
- George Mcgoogle
- James Cable
- Gertrude McGoogle
- Luke Anton Wilson
- Black Ninja Master
- Susan Dean
- Dana
- Robin Attaway
- George's Mother
- Patrick Platner
- Uncle Leo
- Kevin Miller
- Young George
- Mitchell Self
- George's Agent
- Lin Oeding
- Bad Guy Under Bridge
- Rebecca Graham
- George's Teacher
- Phil Harrington
- Old Man
- Sue Shelley
- Old Woman
- Daniel Scott Arnauld
- Jean-Luc Van Deussen
- Antonio L. Dixon
- FBI Chief
- Dianne Sebastian
- Gertrude's Teacher
- Christina Sebastian
- Gertrude's Cousin
- Shannon Woodard
- Principal
- Richard Gibbe
- Director of FBI Ninja
- James Southichack
- Alternateen
- Clay Cross
- Casting Director
- Toby Halbrooks
- Evil Doctor
- Alex Daboub
- Evil Doctor
- Colleen PowerGriffin
- Old Lady
- Daniel Jacob
- Ninja
- Michael Sands
- Book Guy
- James McDonald
- Irish Football Hooligan
- Greg Smith
- Bully
- Daisuke Marata
- Happy Brother 1 and 2
- Brian Buczynski
- Johnson 1
- Mark Crawford
- Johnson 2
- Gabe Sneller
- Punk
- Avram Dodson
- Toris Dicktendon
- Craig Taylor
- Hayseed
