Marc Loiselle

饰：Self - Organic Farmer

Joe McGonigle

饰：Self - Vice President Aqua Bounty Farms

Mark Franz

饰：Self - Chef, Farallon

Pétur Hauksson

饰：Self - Psychiatrist,(as Prof. Petur Hauksson)

Brad Hanmer

饰：Self - Farms Genetically Modified Crops

Sigurdor Gudmundsson

饰：Self - Director of Public Health System

Janelle Noble

饰：Self - Roche Molecular Systems Inc.,(as Dr. Janelle Noble)

Alejandro Argumedo

饰：Self - Attorney, Peru

比尔·克林顿

Bill Clinton

饰：Himself

Andrew Kimbrell

Andrew Kimbrell

饰：Himself - Attorney & Environmentalist

Percy Schmeiser

饰：Self - Farmer

Vandana Shiva

饰：Self - Physicist & Ecologist,(as Dr. Vandana Shiva)

Terje Traavik

饰：Self - Institute of Gene Ecology,(as Prof. Terje Traavic)

Kári Stefánsson

饰：Self - DeCode Genetics,(as Prof. Kari Stefanson)