Elenco (na ordem dos créditos)
Andrew Smith
Self - Presenter
Johnny Armstrong
Self - Chief Engineer: Hypersonic Flight Test Team
Walter Cunningham
Self - Apollo 7 Astronaut
Ron Huston
Self - Professor of Engineering
Kathryn Metz
Self - Dad's Toy Shop
Russell Schweickart
Self - Apollo 9 Astronaut
Marx Sizemore
Self - Marx's Barber Shop
Konstantine Solacoff
Self - Retired Physician
Don Willis
Self - Apollo 11 Computer Controller