Jim Lovell

Narrator - Apollo 8, Apollo 13 (voice)

Russell Schweickart

Narrator - Apollo 9 (voice)

Charles Conrad

Narrator - Apollo 12 (voice)

Charlie Duke

Narrator - Apollo 16 (voice)

Buzz Aldrin

Self (archive footage)

Neil Armstrong

Self (archive footage)

Walter Cunningham

Self (archive footage)

Gene Kranz

Self (archive footage)

Edgar D. Mitchell

Self (archive footage)

Buck Owens

Self (voice) (archive audio)

Thomas Stafford

Self (archive footage)

Edward H. White II

Self (archive footage)

John Young

Self (archive footage)

John F. Kennedy

Self (archive footage)

Lyndon B. Johnson

Self (archive footage)