布丽·拉尔森

Brie Larson

托尼·赫德

Tony Head

饰：Self,(as Tony Head)

迈克尔·波伦

Michael Pollan

饰：Self

布丽·拉尔森

Brie Larson

饰：Narrator,

Dennis J. McKenna

饰：Self,(as Dennis McKenna)

Suzanne Simard

饰：Self

Gary Lincoff

Gary Lincoff

饰：Self

乔治·W· 布什

George W. Bush

饰：Self,(archive footage)

蒂莫西·利瑞

Timothy Leary

饰：Self,(archive footage)

Andrew Weil

饰：Self

Paul Stamets

Paul Stamets

饰：Self

Jay Harman

饰：Self

Roland Griffiths

Roland Griffiths

饰：Self

Charles Grob

饰：Self

理查德·米尔豪斯·尼克松

Richard Milhous Nixon

饰：Self,(archive footage)