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