Phillip Berry

饰：Himself

Barbara Brower

饰：Herself

Floyd Dominy

饰：Himself

Polly Dyer

饰：Herself

Martin Litton

饰：Himself

Michael McClosky

饰：Himself

Roderick Nash

饰：Himself

Stewart L. Udall

饰：Himself

David Brower

David Brower

饰：Himself