- Richard Boone
- Masten Thrust Jr.
- Joan Van Ark
- Francesca 'Frankie' Banks
- Steven Keats
- Chuck Wade
- Luther Rackley
- Bunta
- Masumi Sekiya
- Hazel
- William Ross
- Hal - Mother 1 Chief Technician
- Carl Hansen
- Barney
- Tetsu Nakamura
- Dr. Kawamoto
- Nancy Magsig
- Thrust's Girl on Plane
- Don Maloney
- Mother 1 Captain
- Vanessa Cristina
- Reporter
- Shunsuke Kariya
- Caveman Leader
- Toru Kawai
- Tyrannosaurus
- Katsumi Nimiamoto
- Triceratops (front half)