Ric O'Barry

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

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth

Bryan Adams

Canadian Rock Musician

Pat Parelli

Famed Horse Trainer; Known for Natural Horsemanship

Alec Baldwin

Acclaimed Broadway, Film & TV actor

Sy Montgomery

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

Secrets of the Octopus

Dr. Tierney Thys

Marine Biologist, Educator & Filmmaker

David Mizejewski

National Wildlife Federation Naturalist & Media Personality

Steven Wise

Animal Rights Lawyer

Julie Scardina

Animal Ambassador at Busch Gardens SeaWorld of California

Daniel Johns

Australian Singer, Songwriter and Guitarist; Former Front Man of Rock Band, "Silverchair"

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.

Sarah McLachlan

Singer-Songwriter & Activist

Tia Torres

Pitbull Advocate & Rescuer Known for Animal Planet's "Pit Bulls & Parolees"

Rachelle Lefevre

Rachelle Lefevre is a Canadian actress. She played the vampire Victoria Sutherland in the first two films of the Twilight saga

Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Leona Lewis

Singer, Songwriter & Animal Welfare Activist; Best Known for "Bleeding Love"

Tamar Geller

Dog Trainer, New York Times Bestselling Author who developed "The Loved Dog" a revolutionary method of dog training

John Hargrove

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

Arnold Vosloo

South African-Born Actor, Spokesperson for the International Fund for Animal Welfare