Elenco (na ordem dos créditos)
Suzana Herculano-Houzel
Self
Diana Nyad
Abraham Verghese
ATOR
Simon Sinek
Monja Coen
Charlie Leadbeater
Mac Barnett
Rupal Patel
Samy Dana
Vera Iaconelli
Ed Yong
Tião Santos
Sugata Mitra
Joaquim Maná
Bel Pesce
Annie Murphy Paul
Ricardo Valentim
Mark Plotkin
Haas&Hahn
Themselves
Dante Senra
Eraldo Medeiros
Marcel Dicke
Élcio Torres
João Carlos Martins
Zeneida Lima
Henrique Foresti
Janyra Oliveira-Costa
Lucas Ciavatta
Luiz Felipe Ávila
Edson Urubatan
Sérgio Besserman
Fred Paulino
Robert Neuwirth
Ana Maria Machado
Eliane Brum
Rodrigo Raineri
Charles Watson
Self - Neuroscientist
Edgar Duvivier
Anthony Ling
Guy Marcovaldi