Erik Thompson as Narrator (voice)

John F. Kennedy as Self (archive footage)

Buzz Aldrin as Self (archive footage)

Walter Cronkite as Self (archive footage)

Neil Armstrong as Self (archive footage)

Jim Lovell as Self - Apollo Program Astronaut (voice)

John Glenn as Self (archive footage)

Michael Collins as Self (voice)

Gene Kranz as Self (archive footage)

Harrison Schmitt as Self (archive footage)

Gordon Cooper as Self (archive footage)

Charlie Duke as Self - Apollo Program Astronaut (voice)

Fred Haise as Self - Apollo Program Astronaut (voice)

Gerry Griffin as Self - Flight Director, Apollo 11 (voice)

Gus Grissom as Self (archive footage)

Charles Conrad as Self (archive footage)

Al Worden as Self - Apollo Program Astronaut (voice)

Edward H. White II as Self (archive footage)

Joann Morgan as Self - Instrumentation Controller, Apollo 11 (voice)

Jay Barbree as Self - NBC Space Correspondent (voice)

Walter Cunningham as Self - Apollo Program Astronaut (voice)

Bill Anders as Self - Apollo Program Astronaut (voice)

Roger B. Chaffee as Self (archive footage)

Glynn Lunney as Self - Flight Director, Apollo 11 (voice)

Jack King as Self (archive footage)

Jerry Schaber as Self - Geologist, Apollo 11 (voice)

Kotcho Solacoff as Self (voice)

Bob Young as Self (archive footage)

Jerry Goodman as Self - Apollo Engineer (voice)

Rick Weiss as Self - Propulsion Engineer, Apollo 11 (voice)

Bill Carpentier as Self - Flight Surgeon, Apollo 11 (voice)