Overview
16-year-old Cassie Sullivan tries to survive in a world devastated by the waves of an alien invasion that has already decimated the population and knocked mankind back to the Stone Age.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 18 | 28 | |
 | 20 | 30 | |
 | 48 | 58 | |
 | 41 | 51 | |
 | 25 | 35 | |
 | 48 | 58 | |
 | 22 | 32 | |
 | 9 | 18 | |
 | 48 | 57 | |
 | 19 | 29 |