| 角色 | 饰演者 | 角色介绍 |
| Terry | 瑞特·盖艾斯 | |
| Lynne (as Stephanie Chaves-Jacobsen) | 斯黛芬妮·查韦斯-乔柯布森 | |
| Trish | 琪琪·爱德丽 | |
| Lindsey | 克里斯滕·奎因特拉尔 | |
| President Scott | Peter Jurasik | |
| Samantha | 珍娜·克雷格 | |
| Newscaster #2 | Jack Ainsworth | |
| Dr. Rhodes | Dean N. Arevalo | |
| Ms. Taylor | Shirly Brener | |
| Carson | 马库斯·里尔·布朗 | |
| Sean | Kyle Russell Clements | |
| Mr. Clarke | 泰德·弗格森 | |
| Gen. Rodgers | Ron Flagge | |
| Newscaster #3 | Sarah Forgany | |
| Erica | Erica Fox | |
| Tom | Collin Galyean | |
| Randy | Elliott Grey | |
| Margaret | 劳拉·格莱斯 | |
| Katie | Ashley Grishby | |
| Dobbs | Houston Kraft | |
| Leo | Stuart Lafferty | |
| Security Officer Ross | Andre Le | |
| Dr. Zulkowski | Jerry Leggio | |
| Colleen | Christy Leichty | |
| NASA Scientist | 大卫·马丁内斯 | |
| Frank Herbert | Marel Medina | |
| Rosalind | Angela Meredith | |
| Ben | 兰迪·马尔基 | |
| Whitney | Lauren Norfleet | |
| Earl | Dale Pierrottie | |
| Director | Bill Posley | |
| Sheriff Hastings | John Prince | |
| Newscaster | Sharlene Ruffino | |
| Dr. Sadoughian | Amol Shah | |
| Dudley | Robert Sidman | |
| Teenager #1 | Jabari Thomas | |
| Rex | Todd Voltz | |
| Giles Adams | 格里夫·弗斯特 |
