The day the radiation disappears, Simon rushes to the heart of the zone, taking his colleague Agathe with him, in the hope of rediscovering a lost past.
| Actor | Role |
|---|---|
| CCécile LaforestAgathe (voice) | Agathe (voice) |
| JJoseph MarshallSimon (voice) | Simon (voice) |
| TTheo TorkingtonYoung Simon (voice) | Young Simon (voice) |
| HHannah TorkingtonSimon's Mother (voice) | Simon's Mother (voice) |