| 角色 | 饰演者介绍 |
| Zenon Kar | 克尔斯滕·斯托姆斯 |
| Nebula Wade | Shadia Simmons |
| Margie Hammond | Lauren Maltby |
| Astrid Kar | 苏珊·布莱迪 |
| Mark Kar | 罗伯特·柯蒂斯-布朗 |
| Proto Zoa | 菲利普·莱斯 |
| Aunt Judy Kling | Holly Fulger |
| Commander Edward Plank | Stuart Pankin |
| General Hammond | 约翰·盖兹 |
| Orion | Tom Wright |
| Lt. Hart | Michael Saccente |
| Polaris | Rubert Simmonds |
| Corvus | Nicko Vella |
| Carla Wade | Jennifer Rucker |
| Wills | 斯特芬·劳瓦特 |
| News Anchor | Cal Wilson |
| Military Guard | Stelios Yiakmis |
| 10 year old | Louisa Hutchinson |
| Narrator (voice) | 安迪·盖勒 |
| Proto Zoa's Band | Paul Reid |
| Proto Zoa's Band | Kane Lawton |
| Proto Zoa's Band | Craig Terris |
| Proto Zoa's Band | John Corker |
