 | Terry MacDonald als Narrator (voice) |
 | John F. Kennedy als Himself - President of the United States (archive footage) |
 | Jim Lovell als Himself - Captain, NASA Astronaut (as James A. Lovell Jr.) |
| Shannon Lucid als Herself - NASA Astronaut |
 | Yuri Gagarin als Himself - Soviet Cosmonaut (archive footage) |
| Alan Shepard als Himself - NASA Astronaut (archive footage) |
| Gus Grissom als Himself - NASA Astronaut (archive footage) |
| German Titov als Himself - Soviet Cosmonaut (archive footage) |
| Roger K. Crouch als Himself - NASA Astronaut |
| John Glenn als Himself - NASA Astronaut (archive footage) |
| Gary Wortman | Director |
| Lisa Feit | Writer |
| Gary Wortman | Producer |
| Amy Boyce | Producer |
| Tatyana N. Pokrovskaya | Producer |
| Brian Leonard | Executive Producer |
| Todd Mason | Executive Producer |
| John Metherell | Executive Producer |
| Joel Langley | Original Music Composer |
| Gary Westphalen | Editor |