Calificación
Reparto

Liam Neeson
Self

Richard Dawkins
Self

Richard Klein
Self

Steven Pinker
Self

Steve Kuhn
Self

Randall White
Self

Jean Jacques Hublin
Self

John Shea
Self

Michel Lorblanchet
Self

Richard Wrangham
Self

Andrew Whiten
Self

Robin Dunbar
Self

Sue Blackmore
Self