Naomi Rose

饰：Self - Former Senior Scientist, Humane Society of the US

Ian Wilmut

饰：Self - Researcher, Roslin Institute

Jane Poynter

饰：Self - Former Biospherian

Kathleen Blanco

饰：Self - Governor, Louisiana

Dick J. Reavis

饰：Self - Author, The Ashes of Waco

John Koskinen

饰：Self - President's Council on Year 2000 Conversion

Ginger Kathrens

饰：Self - Wild Horse Advocate

Mark Potok

饰：Self - Senior Fellow, Southern Poverty Law Center

Jenny McClendon

饰：Self - Former Petty Officer, US Navy

约翰·W·迪恩三世

John Dean

饰：Self

约翰·麦凯恩

John McCain

饰：Self

Debbie Nathan

Debbie Nathan

饰：Self

John Bryson

John Bryson

饰：Self

保罗·埃利希

Paul Ehrlich

饰：Self (professor of population studies)

Phyllis Schlafly

饰：Self

Jason Altmire

饰：Self

Paul Saffo

饰：Self - Technology Forecaster & Y2K Author

阿尔·夏普顿

Al Sharpton

饰：Self - Community Activist

Taber MacCallum

饰：Self - Former Biospherian

苏珊·奥尔琳

Susan Orlean

饰：Self - Staff Writer, The New Yorker

Otis Brawley

饰：Self - Chief Medical Officer, American Cancer Society

Wayne Barrett

Wayne Barrett

饰：Self - Former Village Voice Reporter

Don Hodel

饰：Self - Secretary of the Interior

Seth Mnookin

饰：Self - Associate Director MIT Graduate Program in Science Writing

Dan Charles

饰：Self - Food and Agriculture Correspondent, NPR

Clive Doyle

饰：Self - Branch Davidian

Robert D'Amato

饰：Self - Boston Children's Hospital

Allen Hershkowitz

饰：Self - Natural Resources Defense Council

弗雷德·谢皮西

Fred Schepisi

饰：Self

Kenneth V. Lanning

饰：Self

Lindy Chamberlain Creighton

饰：Self

Stewart Brand

Stewart Brand

饰：Self (Whole Earth Catalog)

科利·多克托罗

Cory Doctorow

饰：Self

杰弗里·图宾

Jeffrey Toobin

饰：Self