Josh Tickell
Self - Narrator
Barbara Boxer
Self - Senator, California
Richard Branson
Self - Founder, Virgin Group
جورج بوش الابن
Self - President of the United States
Sheryl Crow
Self - Musician / Environmental Activist
لاري ديفيد
Self - Actor / Comedian / Environmental Activist
Blanche Lincoln
Self
Jim Hightower
Self
المخرج
Josh Tickell
الكتّاب
Johnny O'Hara
