Badri Dahall

饰：Himself

James Dibble

饰：Narrator

Manfred Max-Neef

饰：Himself

Bill Mollison

饰：Himself

M.C. Perrera

饰：Himself

Petrea King

饰：Herself

Frances Moore Lappé

饰：Herself

Michel Odent

饰：Himself

Jeremy Rifkin

Jeremy Rifkin

饰：Self

Julie Kalya

Julie Kalya

饰：Narrator