Calificación
Reparto

Steven Pinker
Self

Noam Chomsky
Self

Janice Fiamengo
Self

Dr. Michael Shermer
Self

Coleman Hughes
Self

Bruce Pardy
Self

Daniel Bonevac
Self

Mark Mercer
Self

Ilana Redstone
Self

David Sloan Wilson
Self

David Haskell
Self

Stephen R.C. Hicks
Self

James A. Lindsay
Self

John Vervaeke
Self

Jonathan Pageau
Self

Robert Latham
Self