• 
  Joe Birch

  Himself - Presenter
• 
  Nick Clooney

  Announcer
• 
  Bernd Michael Fincke

  Himself - Presenter (as Michael Fincke)
• 
  John Glenn

  Himself
• 
  Joseph A. Elmore Jr.

  Himself - Presenter (as Joe Elmore)
• 
  Bart Gordon

  Himself - Presenter
• 
  Laura Faber

  Herself - Presenter
• 
  Scott Couch

  Himself - Presenter

• 
  Rick Chappell

  Himself - Presenter
• 
  Steve Crump

  Himself - Presenter
• 
  Sloane Heffernan

  Herself - Presenter
• 
  Dave Brown

  Himself - Presenter
• 
  Ernie Freeman

  Himself - Presenter

• 
  Buzz Aldrin

  imagini de arhiva
• 
  Neil Armstrong

  imagini de arhiva

• 
  Leonard Nimoy

  Himself
• 
  Hal Ketchum

  Host / Himself