What actors and actresses appeared in Forks Over Knives - 2011?

The documentary "Forks Over Knives" (2011) does not feature any actors or actresses in the traditional sense. It is a non-fiction film that relies on interviews with experts, researchers, and individuals who have adopted a plant-based diet.

Here are some of the key figures featured in the film:

Experts and Researchers:

* Dr. T. Colin Campbell: Leading researcher on the link between diet and disease.

* Dr. Caldwell Esselstyn: Cardiologist who advocates for a plant-based diet to prevent and reverse heart disease.

* Rip Esselstyn: Son of Dr. Esselstyn and former firefighter who adopted a plant-based diet to improve his health.

* Brendan Brazier: Author and professional athlete who promotes a plant-based lifestyle.

* Dr. Neal Barnard: Physician and researcher who advocates for a plant-based diet for diabetes and other conditions.

Individuals:

* John and Judy Roberts: Couple who experienced significant health improvements by switching to a plant-based diet.

* Anne and Tom Willeford: Another couple who adopted a plant-based diet and witnessed positive changes in their health.

The film focuses on showcasing the science behind a plant-based diet and the personal stories of individuals who have benefited from it.