- Ashley Blackwell
- (voice)
- Chris Carter
- King Of Lineland
- Denise Carter
- (voice)
- Juliana Carter
- (voice)
- Mark Carter
- (voice)
- Jacqueline Clift
- (voice)
- Thomas Christopher Colby
- (voice) (as Tom Colby)
- Megan Colleen
- A Hexagon
- Colin Duckworth
- (voice)
- Ladd Ehlinger Jr.
- A Square
- Catherine Ehlinger
- (voice)
- Corin Ehlinger
- (voice)
- Karen Ehlinger
- (voice)
- Megan Ehlinger
- (voice)
- Perrin Ehlinger
- (voice)
- Oscar Gutierrez
- Old Trapezoid
- Simon Hammond
- A Sphere
- Raven Hood
- (voice)
- Michael Karle
- Pentagon Doctor
- James Lee Kelley
- (voice)
- Chris Kolb
- (voice)
- Lauren Meigs
- (voice)
- Linda Meigs
- (voice)
- Matthew Meigs
- (voice)
- Lacon Mitchell
- (voice)
- Jorge J. Raub
- (voice)
- Jeff Sanders
- Cube Carlton
- Jonathon Shoemaker
- Soldier X
- Sean C. Spurlock
- (voice)
- Hal Stanford
- (voice)
- Greg Trent
- President Circle
- Bill Wells
- (voice)
