The lives of three stunt pilots (Scott, Chuck, and Beth) are changed when they gain the ability to transform into three new Ultra-beings, and form the Ultra Force, to battle four giant Sorkin Monsters.
| Actor | Role |
|---|---|
 Adrienne BarbeauBeth O'Brien (voice) | Beth O'Brien (voice) |
 Chad EverettChuck Gavin (voice) | Chuck Gavin (voice) |
 Michael LembeckScott Masterson (voice) | Scott Masterson (voice) |
 Charlie AdlerUtiloid Model ZQ14582 (Andy) (voice) | Utiloid Model ZQ14582 (Andy) (voice) |
 Ronnie SchellCombot Model BA666 (Samson) (voice) | Combot Model BA666 (Samson) (voice) |
 William CallawayCombot Model MF842 (Ulysses) (voice) | Combot Model MF842 (Ulysses) (voice) |
 Stacy Keach Sr.Walter Freeman (voice) | Walter Freeman (voice) |
 Lorna PattersonDr. Susan Rand (voice) | Dr. Susan Rand (voice) |
| AAllan LurieColonel Baldinger (voice) | Colonel Baldinger (voice) |
 Ed GilbertGeneral Cooper (voice) | General Cooper (voice) |
 Les TremayneDr. Philby (voice) | Dr. Philby (voice) |
 Mark L. TaylorMark Watkins (voice) | Mark Watkins (voice) |
 Adrienne AlexanderOld Lady (voice) | Old Lady (voice) |
 Peter RenadayCajun (voice) | Cajun (voice) |
 Al FannParamedic (voice) | Paramedic (voice) |
| VVince TrankinaPhotographer (voice) | Photographer (voice) |