Diretor/a
Dave Gardner
DIRETOR/A
Elenco (na ordem dos créditos)
Saleem Ali
Self (professor of environmental studies)
Kelly Baker
Extra
Albert Bartlett
Self (professor emeritus of physics)
George Carlin
Self(archiveFootage)
John Cruickshank
Self (Sierra Club)
Brian Czech
Self (CASSE)
Herman Daly
Self (ecological economist)
Maxine Dunn
Narrator
Veronica Egan
Self (Great Old Broads for Wilderness)
Paul Ehrlich
Self (biologist)
Katie Elmore Mota
Self (Population Media Center)
Robert Engelman
Self (Worldwatch Institute)
Eben Fodor
Self (community planning consultant)
Jack Hart
Self (The Oregonian)
Trathen Heckman
Self (Transition U.S.)
Tom Horton
Self (environmental journalist)
Lisa Hymas
Self (Grist)
Alexander King
Self (Club of Rome)(archiveFootage)
Tom Knight
Richard Lamm
Self (Institute for Public Policy Studies)
Christopher Martenson
Self (creator of The Crash Course)
Pete McCloskey
Self ( U.S. House of Representatives, 1967-1983
Bill McKibben
Self (350.org)
Dennis Meadows
Self (Club of Rome)
Mike Nickerson
Self (The Sustainability Project)
Raj Patel
Self (IFDP)
Dave Paxson
Self (World Population Balance)
William Rees
Self (population ecologist)
Dennis Rooker
Self (board of supervisors member)
David Room
William Ryerson
Danny Schechter
Self (media critic)
Juliet Schor
Self (professor of sociology)
Ellen Shell
Self (author of Cheap: The High Cost of Discount Culture)
Dick Smith
Self (author of Dick Smith's Population Crisis)
James Gustave Speth
Self (environmental lawyer)
J. Adrian Stanley
Self (Colorado Springs Independent)
Carolyne Stayton
Sarah Susanka
Self (author of The Not So Big Life)
Michael Swaim
Self (mayor of Salem, Oregon, 1996-2002)
Kelvin Thomson
Self (australian house of representatives)
Peter Victor
Madeline Weld
Self (Population Institute Canada