| 角色 | 饰演者 | 角色介绍 |
| Marci Eyre | 拉娜·帕瑞拉 | |
| John Murphy | Josh Green | |
| Slick | 奥利佛·麦克瑞迪 | |
| Jake | Nick Swarts | |
| Agent Gray | Mark Phelan | |
| Large Technician | David Carpenter | |
| Emma (as Leslie Carter) | Leslie Harter Zemeckis | |
| Commander Hooper | Mark Totty | |
| Doctor Ellis | Andrew Stoddard | |
| Jacobs | 乔纳森·布瑞克 | |
| Max | Steven Sullivan | |
| Joe Martindale | Corey Klemow | |
| Loretta Martindale | Simone Levin | |
| Phil | H. Murphy | |
| Colonel Dixon | Billy Maddox | |
| Receptionist | K.M. McIntyre | |
| Moira | Nicole Tocantins | |
| Flight Controller | Timothy Di Pri | |
| News Anchor | Denise Lerette | |
| Levine | Jullian Simmons | |
| Lead Cop | Stephen David Brooks | |
| Bug Lady | Miss T | |
| Phillips | David Ott | |
| Brice (as Scotty Reiniger) | Scott Alan Reiniger | |
| Fat Man Behind Tree | Mitchell Gordon | |
| Hooper as Elephant Man (as Franklin Murgia) | Frank Murgia | |
| (voice) | 乔·沃兹 |
