Europe and the United States are working together on an unprecedented journey to learn more about the impact of the Sun on our planet, to really know what its atmosphere is like and how it affects our environment; since solar radiation increasingly affects our lives and telecommunications.
| Actor | Role |
|---|---|
| JJean-Marc LancelotNarrator (voice) | Narrator (voice) |
 Holly GilbertHerself | Herself |
 Nicky FoxHerself | Herself |
 Marco VelliHimself | Himself |
| MMilan MaksimovicHimself | Himself |
 Daniel MüllerHimself | Himself |
 Elizabeth SewardHerself | Herself |
| PPaolo MusiHimself | Himself |
| PPhilippe LouarnHimself | Himself |
| KKader AmsifHimself | Himself |
 Miho JanvierHerself | Herself |
 Étienne PariatHimself | Himself |
| FFrédéric AuchèreHimself | Himself |