Narrator (voice)
Brie Larson
Himself
Paul Stamets
Michael Pollan
Roland Griffiths
Andrew Weil
Herself
Mary P. Cosmiano
Producer
Louie Schwartzberg
Director
Executive Producer
Geralyn White Dreyfous
Writer
Mark Monroe
Regina K. Scully
Lyn Davis Lear
Editor
Kevin Klauber