• 
  Tom Jennings

  regizor

• 
  Tom Jennings

  scenarist

• 
  Walt Disney

  Self (archive footage)
• 
  Ward Kimball

  Self - Disney Animator (archive footage)
• 
  Wernher von Braun

  Self - Rocket Scientist, NASA (archive footage)
• 
  Joseph Shea

  Self - NASA (archive footage)
• 
  James Burke

  Self - BBC (archive footage) (archive sound)
• 
  Glynn Lunney

  Self - NASA Flight Director (archive footage)

• 
  John Glenn

  Self - Mercury Astronaut (archive footage)
• 
  Gus Grissom

  Self - Apollo Astronaut (archive footage)
• 
  Gordon Cooper

  Self (archive footage)
• 
  Wally Schirra

  Self (archive footage)
• 
  Betty Grissom

  Self - Wife of Gus Grissom (archive footage)
• 
  Edward H. White II

  Self (archive footage)
• 
  Roger B. Chaffee

• 
  Jerry Park
• 
  Bill Ryan
• 
  Jim Hartz
• 
  Stan Brooks
• 
  Pete Clapper
• 
  Walter Cronkite
• 
  Jim Lovell
• 
  Frank Borman
• 
  Bill Anders
• 
  Charles Murphy
• 
  Cliff Michelmore
• 
  Jack King
• 
  David Schoumacher
• 
  Hugh Downs
• 
  Buzz Aldrin
• 
  Bill Beutel
• 
  Ralph Bunche
• 
  Joel Shurkin
• 
  Neil Armstrong
• 
  Frank Reynolds
• 
  Janet Armstrong
• 
  Alan Bean
• 
  David Brinkley
• 
  John Chancellor
• 
  Jules Bergman
• 
  Christopher Kraft
• 
  Eugene Cernan
• 
  Michael Collins
• 
  Charles Conrad
• 
  Charles Duke
• 
  Donn Fulton Eisele
• 
  Fred Haise
• 
  James Irwin
• 
  Gene Kranz
• 
  Richard Nixon
• 
  Harrison Schmitt
• 
  Dave Scott
• 
  Jack Swigert
• 
  John F. Kennedy

• 
  Tobiah Black

  producător
• 
  Robert Kirk

  producător
• 
  Bernadette McDaid

  producător
• 
  Chris Morcom

  producător
• 
  Abe Scheuermann

  producător
• 
  Stephen Slater

  producător
• 
  David Tillman

  producător
• 
  James Everingham

  coloană sonoră