Dayton Duncan

饰：Himself - Writer

Wes Jackson

Wes Jackson

饰：Himself - Director, The Land Institute

Lance Foster

Lance Foster

饰：Himself - Landscape Historian

Pauline Drobney

Pauline Drobney

饰：Herself - Biologist

Nina Leopold Bradley

Nina Leopold Bradley

饰：Herself - Conservationist

Carl Leopold

Carl Leopold

饰：Himself - Botanist

Richard Manning

Richard Manning

饰：Himself - Writer

Laura Jackson

Laura Jackson

饰：Herself - Conservation Biologist

Anton Treuer

Anton Treuer

饰：Himself

Murphy Guyer

Murphy Guyer

饰：Aldo Leopold

John Trudell

饰：Black Hawk

Eileen Schuyler

Eileen Schuyler

饰：Willa Cather

安娜贝丝·吉什

Annabeth Gish

饰：Narrator

Daryl Smith

Daryl Smith

饰：Himself