Director/a
Jenny Ash
DIRECTOR/A
Russell Barnes
Reparto (por orden de créditos)
Alun Armstrong
Narrator
William Joseph Elk III
ACTOR
Robert Paddle
Self - Psychologist
Beth Shapiro
Self - Oxford University
Bruce Pringle
Peter Daszak
Self - Consortium for Conservation Medicine
Justin Dejager
Errol Fuller
Self - Author 'The Great Auk'
Eileen Johnson
Self - Texas Tech University
Robert Koenig
Jerome Valin
Julian Hume
Self - Paleontologist
Gerard Rouillon
Tom Hayden
Self - University College Dublin
George Barnes
Scott Caguelin
Don Croll
Self - Marine Biologist
Jeremy Gaskell
Self - Author 'Who Killed the Great Auk'
Bill Montevecchi
Self - Seabird Ecologist
Andrew Kitchener
Self - National Museums of Scotland
Emil Petersson
Baldvin Bjorgvinsson
Virginia Naples
Menna Jones
Self - Zoologist
Arnthor Ragnarsson
Brian Bachelor
Richard Ford
Larry Toler
Self - Bison Farmer
Blair Van Valkenburgh
Self - UCLA
Andrew Machen
Thierry de Lapeyre
Silvia Gonzales
Self - Liverpool John Moores University
Peter Riske
Tim Bhoyroo
Pete Coxon
Self - Trinity College Dublin
Greg McDonald
Self - US National Park Service
Christopher Shaw
Self - La Brea Tar Pits Manager
Halldora Jonasdottir
Nick Mooney
Self - Tasmanian Wildlife Manager
Jonas Validimarsson
Julio Betancourt
Self - US Geological Survey
Pieter Floore
Self - Archaeologist
Sigurdur Óligudnason
Adrian Lister
Self - University College London