Erik Dellums Narrator Bill Birnes Self Leroy Chiao Self Marc D'Antonio Self James F. Bell III Self Charles Duke Self Edgar D. Mitchell Self Stanton Friedman Self Andrew Gough Self Melissa Morris Self Story Musgrave Self Ross Mullan Voice Nick Pope Self Joseph Dwyer Self Seth Shostak Self Greg Chivers Executive Producer Ryan Gaffney Director, Producer Martin Durkin Executive Producer Ian Levison Director, Producer Daniel Edwards Director, Producer Wyatt Channell Executive Producer Russell Eatough Director, Producer