Leonardo DiCaprio
Self
Bill Clinton
Self
John Kerry
Self
Barack Obama
Self
Elon Musk
Self
Pope Francis
Self
Ban Ki-moon
Self
Michael Brune
Self
Marc Mageau
Self
Enric Sala
Self
Jake Awa
Self
Oprah Winfrey
Self (archive footage)
Jason E. Box
Self
Philip Levine
Self
Michael E. Mann
Self
Donald Trump
Self (archive footage)
James Inhofe
Self
Marco Rubio
Self
Ma Jun
Self
Alvin Lin
Self
Sunita Narain
Self
Ashok Lavasa
Self
Anote Tong
Self
Jeremy Jackson
Self
Lindsey Allen
Self
Farwiza Farhan
Self
Ian Singleton
Self
Gidon Eshel
Self
Xi Jinping
Self
Ted Cruz
Self (archive footage)
Al Gore
Self (archive footage)
John McCain
Self (archive footage)
Angela Merkel
Self (archive footage)
Mitt Romney
Self (archive footage)
Haji Ji
Self - farmer
Rick Scott
Self (archive footage)
Lisa Murkowski
Self (archive footage)
Mary Landrieu
Self (archive footage)
Richard Shelby
Self (archive footage)
Joe Barton
Self (archive footage)