坎迪斯·伯根

Candice Bergen

饰：Herself

彼德·考约特

Peter Coyote

饰：Narrator

简·库丁

Jane Curtin

饰：自己

Leon Lederman

饰：Self

H·乔恩·本杰明

H. Jon Benjamin

饰：Quark

理查德·道金斯

Richard Dawkins

饰：Self - Author

Sue Gamble

饰：Self - Supports Teaching Evolution

布里奇特·莱利

Bridgett Riley

饰：Self - 'Baby Doll', woman boxer

Kip Allen

Kip Allen

Steve Schriver

Stephen W. Schriver

饰：Self

Dale Chihuly

饰：Self

Vint Cerf

Vint Cerf

饰：Self

Rodney Brooks

饰：Self

克莱格·文特尔

J. Craig Venter

饰：Self - President: Celera Genomics

Rob Shumaker

饰：Self - Biologist: Orangutan Language Project

John Baumgardner

饰：Self - Geophysicist, Los Alamos National Laboratory

Geoffrey Miller

饰：Self - Evolutionary Psychologist

Michael Shermer

Michael Shermer

饰：Self - Skeptic Magazine

尼尔·斯蒂芬森

Neal Stephenson

饰：Self

Gary Zeller

饰：Self

Bruce Babbitt

饰：Self

Pete Chapouris

饰：Self

Harry Prichett

饰：Narrator

Cynthia Breazeal

饰：Self

Takeo Kanade

饰：Self