| 角色 | 饰演者 | 角色介绍 |
| Rex | 丹尼尔·洛巴克 | |
| Eba (as Cindy Ann Thompson) | Cynthia Thompson | |
| Dar | Darren Young | |
| Saba | Saba Moor | |
| Argh | Jeff Chayette | |
| Char | Charles Mitchell | |
| Aka | Cynthia Rullo | |
| Casey | Tom Hamil | |
| Bill | Bill Adams | |
| Hank | Chris Noble | |
| Ralph | Bill Sehres | |
| Karen | Sydni King | |
| Brenda | Stacey Swain | |
| Rex's father | A.A. Cavallaro | |
| Rex's mother | Maggie Ostroff | |
| Professor | Larry Gabriel | |
| Attila | Valerie Greybe | |
| Catso | David Castro | |
| Oben | Bob Verne | |
| Jorge (as Kent Jorgensen) | Kent H. Jorgensen | |
| Controller | Robert Nathan Field | |
| Crew chief | Jerry Day | |
| Assistant controller | Craig S. Leary | |
| Radarman | Ken Willingham | |
| Technician | Shane Kelly | |
| Schoolroom student | Jennifer Keel | |
| Schoolroom student | Tim Berry | |
| Schoolroom student | Nathaniel Bratton | |
| Schoolroom student | Debbie Wright | |
| Schoolroom student | Olivia De Anda | |
| Schoolroom student | Paul Enns | |
| Schoolroom student | Kathy Mehling | |
| Schoolroom student | Bonita Samek | |
| Schoolroom student | David Alvedrez | |
| Schoolroom student | Barry Hibbard | |
| Locker room student | Michelle Bauer | |
| Locker room student (as Jasaé) | Jasae | |
| Locker room student | Pamela Powers |
