Reparto 10

1. Terry MacDonald

   Narrator (voice)

2. 

   John F. Kennedy

   Himself - President of the United States (archive footage)

3. 

   Jim Lovell

   Himself - Captain, NASA Astronaut (as James A. Lovell Jr.)

4. Shannon Lucid

   Herself - NASA Astronaut

5. 

   Yuri Gagarin

   Himself - Soviet Cosmonaut (archive footage)

6. Alan Shepard

   Himself - NASA Astronaut (archive footage)

7. Gus Grissom

   Himself - NASA Astronaut (archive footage)

8. German Titov

   Himself - Soviet Cosmonaut (archive footage)

9. Roger K. Crouch

   Himself - NASA Astronaut

10. John Glenn

    Himself - NASA Astronaut (archive footage)

Equipo 10