- Dan Southworth
- Captain John Bradley
- Avery Clyde
- Dr. Taylor Kacey
- Sam McConkey
- Kevin Porter
- James Luca McBride
- Brando Enzio
- Tank Jones
- Colburn Waylon
- Paulino Hemmer
- Alano Martinez
- Joseph Eddy
- Albany Gavin
- Robert Harter
- Mark Colby
- Philip Tiboni
- Larry Kendall
- Shannon Alexander
- Adreana Cammeo
- Cathy Rankin
- Gia Dante
- Chuck McGahan
- General Shepard
- Tom Ford
- Colonel Peterson
- Richard Peine
- Sergeant Jenkins
- Brendan Guy Murphy
- Vincent Enzio
- Soon Hee Newbold
- Cindi Lee / Alien Computer
- Robert Lennon
- Rock Sanders
- Patrick Logan Pace
- Kyle Matthewson
- Tammy Ledbetter
- Flo Cecil
- Paul Kinsley
- Sid Hickman
- Landon Nichols
- Defense Secretary
- Brian Lataille
- Soldier
- Cortney Burk
- Secretary
- Needles the Rat
- The Rat
- Wade Rikert
- Eddie Thompson
- Bruce Nelson
- Brian Jackson
- Mike Alexander
- Nick Larson
- Sasha Jovanovic
- Andrew Carey
- Byron Browne
- Tom Chase
- John Spotts
- Aaron Ridley
