

Terry MacDonald
Narrator (voice)

John F. Kennedy
Self - President of the United States (archive footage)

Jim Lovell
Self - Captain, NASA Astronaut
Shannon Lucid
Self - NASA Astronaut

Yuri Gagarin
Self - Soviet Cosmonaut (archive footage)
Alan Shepard
Self - NASA Astronaut (archive footage)

Gus Grissom
Self - NASA Astronaut (archive footage)

Gherman Titov
Self - Soviet Cosmonaut (archive footage)
Roger K. Crouch
Self - NASA Astronaut

John Glenn
Self - NASA Astronaut (archive footage)
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