Diretor/a
Susan Kucera
DIRETOR/A
Elenco (na ordem dos créditos)
David Morse
Narrator
Peter Russell
Self
Joseph Tainter
Maureen O'Hara
Michael Ranney
Paul Piff
Daniel Wildcat
Jorgen Randers
Ugo Bardi
Bruce M. Hood
Kari Norgaard
William R. Catton
Robert Trivers
Paul Roberts
Thomas Metzinger
Brian Fagan
Richard Dawkins
George Dyson
Azim Shariff
Sue Blackmore
Jay Julius
Oren Lyons
Stephan Lewandowsky
Darrell Hillaire
Rob Hopkins
Dario Maestripieri
William Calvin