Dean Ornish

饰：Self

Scott Stoll

饰：Self

塞缪尔·L·杰克逊

Samuel L. Jackson

饰：Himself

詹姆斯·卡梅隆

James Cameron

饰：Himself

佩恩·吉列特

Jillette

饰：Himself

Joel Fuhrman

饰：Himself

T. Colin Campbell

饰：Himself

安德鲁·W·索尔

Andrew W. Saul

饰：Himself

Michael Greger

饰：Himself

苏茜·爱米斯

Susan Elizabeth Amis

饰：Self

John McDougall

John McDougall

饰：Self

Ross Weinick

饰：Self

Neal Barnard

Neal Barnard

饰：Self

Caldwell Esselstyn Jr.

Caldwell Esselstyn Jr.

饰：Self