Aaron Adams

as Self - Chef, Portobello Trattoria

Jonathan Balcombe

as Self - Ethologist & Biologist

T. Colin Campbell

as Self - Professor of Nutritional Biochemistry

Jan Gerdes

as Self - Hof Butenland

Robert Goodland

as Self - Tropical Ecologist

Susanne Gura

as Self - Nutritionist

Hendrik Haßel

as Self - Animal Equality

Melanie Joy

as Self - Sociologist & Psychologist