Racing Extinction [Spanish]

Louie Psihoyos

Self - Undercover Investigator

Heather Dawn Rally

Self - Undercover Investigator

Michael Novacek

Self - Curator of Paleontology

Christopher W. Clark

Self - Johnson Senior Scientist

Kirk Johnson

Self - National Museum of Natural History

Ady Gil

Self - Protester

Shawn Heinrichs

Self - Marine Conservationist

Paul Hilton

Self - Photojournalist

Charles Hambleton

Self - Undercover Investigator

David Doubilet

Self - National Geographic Photographer

Jerry Greenberg

Self - Underwater Photographer

Elizabeth Kolbert

Self - Author of 'The Sixth Extinction'

Synte Peacock

Self - National Center for Atmospheric Research

Alan Barton

Self - Whiskey Creek Shellfish Hatchery

Bill Dewey

Self - Taylor Shellfish Farms

Lester Brown

Self - Earth Policy Institute

Guillermo Berra

Self - INTA