The captivating tales of the people and events behind one of humanity's greatest achievements in exploration: NASA's Voyager mission.
| Actor | Role |
|---|---|
 Carl SaganSelf (archive footage) | Self (archive footage) |
| JJohn CasaniSelf | Self |
 Lawrence KraussSelf | Self |
| CCarolyn PorcoSelf | Self |
| TTimothy FerrisSelf | Self |
| EEdward StoneSelf | Self |
 Nick SaganSelf | Self |
| LLarry SoderblomSelf | Self |
| CCharley KohlhaseSelf | Self |
| FFran BagenalSelf | Self |
| JJames F. BellSelf | Self |
| FFrank LocatellSelf | Self |
| SSuzanne DoddSelf | Self |
| JJon LombergSelf | Self |
 Heidi HammelSelf | Self |
| CCandy HansenHerself | Herself |
| AAndrew IngersollHimself | Himself |
| DDave LinickHimself | Himself |
| FFernando PeraltaHimself | Himself |
| LLinda J. SpilkerHerself | Herself |
| TTom SpilkerHimself | Himself |
| JJanet SternbergHerself | Herself |
| AAmahl DrakeHerself | Herself |
| DDon GurnettHimself | Himself |
| SStamatios KrimigisHimself | Himself |
| LLinda MorabitoHerself | Herself |
| BBradford A. SmithSelf - Imaging Science Team Leader | Self - Imaging Science Team Leader |
| RRichard John TerrileSelf | Self |
 Frank DrakeSelf | Self |