Elenco (na ordem dos créditos)
Matt Brown
Self - Superintendent, U.S. Fish and Wildlife Service
Mike Chase
Self - Elephant Ecologist
Sarina Jepsen
Self - Xerces Society
David McKenzie
Self - Correspondent
Ron Moes
Self - Senoir Grower, Windset Farms
Bryan Pijanowski
Self - Professor, Purdue University
John D. Sutter
Robbin Thorp
Self - Professor Emeritus, UC Davis
Nick Paton Walsh
Steven Whitfield
Self - Conservation Ecologist, Zoo Miami