Director/a
Mark van Wijk
DIRECTOR/A
Reparto (por orden de créditos)
Daniel Amen
Self
Lisa Archer
Dave Asprey
!'aru Ikhuisi Piet Berendse
Summer Bock
Jonny Bowden
Sara Gottfried
Cliff Hodges
Mark Hyman
Abel James
Alejandro Junger
Bruce Lawson
Tom Malterre
Alan McSmith
Scott A. Murray
Pedram shojai
Narrator
Mark Sisson
Jeffrey M. Smith
Ulrich Steenkamp
Jonathan Tillet
J.J. Virgin
Kim Walls
David Wolfe