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