Matt Damon Margaret Sullivan John Oliver Katheryn Fernholz Doug Tomkins Elizabeth Durant Didier Lacaze Marcus Eriksen Joey Santore Sara Letourneou Linda Dr. Rudolph Steve Agnos Greg Spencer Peter Dr. Brown Fred L. Miller Robert Eccles Chad Frischmann Alan Bird Jessica Berry Peter Victor Garth Lenz Greg Mortenson Leslie McCarthy Alice Madden Ron Hunter Claire Wayner Lizzy Clark Robyn Beavers Richard Rathbun Marco Mascarin Maude Barlow Dr. Sally Uren Uday Varadarajan Angela Amanakwa Kaxuyana Gregg Braden James Pritchett Tamara Kennedy-Hill Thomas Linzey Victor d'Allant Billy Jean King Gary May Bill Kirlin-Hackett Kathryn Lancaster Mérouane Debbah Christian Guillermet Fernández Kaiulani Lee Sean Patrick Farrell Megan Rose A. 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