The documentary stars the notable appearance of
Jonathan Balcombe (ethologist and biologist);
T. Colin Campbell (professor of nutritional biochemistry and writer of
The China Study);
Melanie Joy (sociologist and psychologist, on the ideology of
carnism);
Will Potter (journalist and author of
Green Is The New Red);
Peter Singer (professor of bioethics);
Tom Regan (distinguished professor of philosophy on animal rights);
Gary Francione (distinguished professor of law on 'abolitionism');
George Rodger (chair of
The Vegan Society); and Jack Lindquist (professional track cyclist and vegan). ==See also==