| 角色 | 饰演者介绍 |
| 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 |
