 Sean PertweeNarrator | Narrator |
| BBrian AndersonHimself - NASA | Himself - NASA |
| PPaul BlaseHimself - TransOrbital | Himself - TransOrbital |
| MMargaret CurtisHerself - Local Historian | Herself - Local Historian |
| WWinnifred CutlerHerself - Athena Institute | Herself - Athena Institute |
| WWilliam Fung-SchwarzHimself - The Moon Society | Himself - The Moon Society |
| LLinda HyderHerself - Voyager Navigation Engineer | Herself - Voyager Navigation Engineer |
| PPeter KokhHimself - President, The Moon Society | Himself - President, The Moon Society |
| GGary LofgrenHimself - NASA Planetary Scientist | Himself - NASA Planetary Scientist |
| JJohn Noble WilfordHimself - Apollo Correspondent: The New York Times | Himself - Apollo Correspondent: The New York Times |
| DDon PettitHimself - NASA Astronaut | Himself - NASA Astronaut |
| GGreg OlsenHimself - Space Tourist | Himself - Space Tourist |
| DDavid RotheryHimself - The Open University | Himself - The Open University |
| SStacey TearneHerself - Space Adventures | Herself - Space Adventures |
| JJerry WiantHimself - Texas Laser Ranging Station | Himself - Texas Laser Ranging Station |
| LLeslie WickmanHerself - The Moon Society | Herself - The Moon Society |
