produced by Leftfield Pictures in association with 18Thirty Entertainment for National Geographic Channels ; produced by Half Yard Productions for National Geographic Channels ; producers, Dan Bush, Nate Starck
National Geographic Documentary Films presents ; a Little Monster Films production ; an Itinerant Media production ; a Parkes+MacDonald/Image Nation production ; a film by Elizabeth Chai Vasarhelyi & Jimmy Chin ; directed & produced by Elizabeth Chai Vasarhelyi & Jimmy Chin ; produced by Evan Hayes, Shannon Dill
National Geographic Documentary Films presents ; a Little Monster Films production ; an Itinerant Media production ; a Parkes+MacDonald/Image Nation production ; a film by Elizabeth Chai Vasarhelyi & Jimmy Chin ; directed and produced by Elizabeth Chai Vasarhelyi, Jimmy Chin ; produced by Evan Hayes ; produced by Shannon Dill
a film by Brett Morgen ; a National Geographic Studios production in association with Public Road Productions ; National Geographic Documentary Films presents ; produced by Brett Morgen, Bryan Burk, James Smith, Tony Gerber ; written and directed by Brett Morgen