| 角色 | 饰演者 | 角色介绍 |
| Noah Wilder | 克里斯·奥尼尔 | |
| Emma Wilder | 莱茵侬·雷-瑞恩 | |
| Jo Wilder | 朱莉·理查德森 | |
| David Wilder | 蒂莫西·赫顿 | |
| Larry White | 雷恩·威尔森 | |
| Naomi Schwartz | 凯瑟琳·哈恩 | |
| Nathanial Broadman | 迈克·克拉克·邓肯 | |
| Sheila Broadman | Kirsten Williamson | |
| Teacher in Meadow | Irene Snow | |
| Harry | 马克·莫索 | |
| Kid with Braces | Nicole Mu?oz | |
| School Guard (as Scott Miller) | Scott E. Miller | |
| Wendy | Megan McKinnon | |
| Julie the Babysitter | Randi Lynne | |
| Future Scientist | 汤姆·西顿 | |
| Future Scientist's Co-Worker | John Burnside | |
| Armed Cyborg (as Samuel Polin) | Sam Polin | |
| Armed Cyborg | Phillip Brooks | |
| Technician | 丹尼尔·巴孔 | |
| Technician | Carlo Fanella | |
| Technician | 保罗·加莱特 | |
| Utilities Commisioner | Jerry Wasserman | |
| Stu | Camyar Chai | |
| Police Captain | Fred Keating | |
| Newscaster | Dagmar Midcap | |
| Dr. Rose | John Shaw | |
| FBI Task Force Agent | Patrick Gilmore | |
| FBI Task Force Agent | Chad Cole | |
| CPS Officer | Kaaren de Zilva | |
| FBI Video Technician | David Joshi | |
| Scientist | 布鲁斯·哈伍德 | |
| Scientist | Kathleen Duborg | |
| Scientist | 神奈川宏幸 | |
| Intel Scientist | Brian Greene | |
| Army Officer | Curtis Caravaggio | |
| Teenage Cyborg | 麦肯兹·汉密尔顿 | |
| Teenage Cyborg | Calum Worthy |
