• 
  Louie Psihoyos

  regizor

• 
  Mark Monroe

  scenarist

• 
  Joel Sartore

  Himself
• 
  Louie Psihoyos

  Himself
• 
  Jane Goodall

  Herself
• 
  Leilani Münter

  Herself
• 
  Heather Dawn Rally

  Herself
• 
  Charles Hambleton

  Himself

• 
  Austin Richards

  Himself
• 
  Shawn Heinrichs

  Himself
• 
  Travis Threlkel

  Himself
• 
  Dr. Christopher W. Clark

  Himself
• 
  Paul Hilton

  Himself
• 
  Elon Musk

  Elon Musk
• 
  Lester Brown

  Himself

• 
  William Von Mueffling

  producător
• 
  Adrienne Hall

  producător
• 
  Dieter Paulmann

  producător
• 
  Gina Papabeis

  producător
• 
  Shawn Heinrichs

  imagine
• 
  John Behrens

  imagine
• 
  Sean Kirby

  imagine
• 
  Petr Stepanek

  imagine
• 
  Lyman Smith

  montaj
• 
  Jason Zeldes

  montaj
• 
  Geoffrey Richman

  montaj
• 
  J. Ralph

  coloană sonoră