Steven Wise

Animal Rights Lawyer

Danny Trejo

Actor, Activist & Restaurateur

Julie Scardina

Animal Ambassador at Busch Gardens SeaWorld of California

Bryan Adams

Canadian musician

Alec Baldwin

Acclaimed Broadway, Film & TV actor

Bindi Irwin

Wildlife Conservationist & Daughter of Steve Irwin; Season 21 Contestant on "Dancing With the Stars"

David Mizejewski

National Wildlife Federation Naturalist & Media Personality

Jason Biggs

Actor Known For His Roles in the "American Pie" Series and on "Orange Is The New Black" Among Others

Theo Rossi

American Actor & Producer; Best Known for "Sons of Anarchy" and Marvel's "Luke Cage"

Loretta Swit

Animal Activist & Emmy Award-winning Actress; Best Known for "M*A*S*H"

Ric O'Barry

Environmental & Animal Activist, Author, Founder of the Dolphin Project; Star of the Academy Award-Winning Documentary "The Cove"

Dr. Tierney Thys

Marine Biologist, Educator & Filmmaker

Sonia Faruqi

Author of "Project Animal Farm"

Katie Cleary

Actress and Model; Founder of Peace 4 Animals and World Animal News

Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Diana Reiss

A professor of psychology at Hunter College and in the graduate program of Biopsychology and Behavioral Neuroscience of the City University of New York.

Sy Montgomery

Naturalist, Adventurer & Author of "The Good Good Pig" & "The Soul of an Octopus"

Mena Suvari

Actress Known for "American Beauty" & Author of "The Great Peace: A Memoir"

Mena Suvari Opens Up About Overcoming Addiction, Abuse "The Great Peace"

John Hargrove

Former Senior Killer-Whale Trainer for SeaWorld; Author, "Beneath the Surface: Killer Whales, SeaWorld, and the Truth Beyond Blackfish"

Marty Becker

Known as America's Veterinarian; Featured on Vetstreet