"I don't want to torture anything," she said. "[I]t's about trying to live a life where I'm not contributing to the cruelty in the world. ... While I am on this planet, I want everyone I meet to know that I am grateful they are here."
Harrelson, who recently starred in "The Hunger Games" and "Rampart," has long maintained a vegan diet.
"I just let people see my energy and how strong I stay," he said.