Narrator (voice)

Erik Thompson

Self (archive footage)

John F. Kennedy

Self (archive footage)

Gordon Cooper

Self - Apollo Program Astronaut (voice)

Charlie Duke

Self - Apollo Program Astronaut (voice)

Fred Haise

Self - Flight Director, Apollo 11 (voice)

Gerry Griffin

Self (archive footage)

Gus Grissom

Self (archive footage)

Charles Conrad

Self - Apollo Program Astronaut (voice)

Al Worden

Self (archive footage)

Edward H. White II

Self - Instrumentation Controller, Apollo 11 (voice)

Joann Morgan

Self - NBC Space Correspondent (voice)

Jay Barbree

Self (archive footage)

Buzz Aldrin

Self - Apollo Program Astronaut (voice)

Walter Cunningham

Self - Apollo Program Astronaut (voice)

Bill Anders

Self (archive footage)

Roger B. Chaffee

Self - Flight Director, Apollo 11 (voice)

Glynn Lunney

Self (archive footage)

Jack King

Self - Geologist, Apollo 11 (voice)

Jerry Schaber

Self (voice)

Kotcho Solacoff

Self (archive footage)

Bob Young

Self - Apollo Engineer (voice)

Jerry Goodman

Self - Propulsion Engineer, Apollo 11 (voice)

Rick Weiss

Self (archive footage)

Walter Cronkite

Self - Flight Surgeon, Apollo 11 (voice)

Bill Carpentier

Self (archive footage)

Neil Armstrong

Self - Apollo Program Astronaut (voice)

Jim Lovell

Self (archive footage)

John Glenn

Self (voice)

Michael Collins

Self (archive footage)

Gene Kranz

Self (archive footage)

Harrison Schmitt

Director

Duncan Copp