Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Lisa Vanderpump

Entrepreneur, TV Personality, Author & Philanthropist

Lisa Vanderpump Tells Us About Her First Times

Jackson Galaxy

Host, "My Cat from Hell" & Author, "Cat Daddy: What the World's Most Incorrigible Cat Taught Me About Life, Love, and Coming Clean"

Dyan deNapoli

Penguin Expert, TED Speaker & Award-Winning Author of "The Great Penguin Rescue"

Dr. Kwane Stewart

Founder of Project Street Pet, Veterinarian & CNN's Hero of the Year 2023

CNN Hero of the Year makes surprise announcement

Victoria Lily Shaffer

Producer, Host, Animal Rescue Advocate, Voice-Over Artist & Author of "Pup Culture: Stories, Tips, and the Importance of Adopting a Dog"

Behati Prinsloo

Actress, Victoria's Secret Angel, Model, Activist & Animal Conservationist

Dr. Biruté Mary Galdikas

Award-Winning Conservationist, Author & Founder of the Orangutan Foundation International

Kristen Auerbach

Director of Pima County Animal Center

Sonia Faruqi

Author of "Project Animal Farm"

David Mizejewski

National Wildlife Federation Naturalist & Media Personality

Sy Montgomery

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

Secrets of the Octopus

Tia Torres

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

Elaine Hendrix

Actress & Animal Activist; Known for her Role in the Remake of "The Parent Trap"

David Rosenfelt

Fiction Author & Founder of the Tara Foundation, a Dog Rescue

Danny Trejo

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

Katie Cleary

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

Tamron Hall

Award-Winning Journalist; Former National News Anchor for NBC News; Host of the "Tamron Hall Show"

Watch Where They Hide

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.

Sophia Bush

Actress, Humanitarian & Author

Colleen Paige

Pet & Family Lifestyle Expert, Animal Behaviorist, Interior Designer, Writer and Photographer

Tracie Hotchner

The Radio Pet Lady & Pet Wellness Advocate

Daniel Pauly

Daniel Pauly is the principal investigator at the Sea Around Us Project, which studies the impact of the world's fisheries on marine ecosystems. The software he's helped develop is used around the world to model and track the ocean.

Paul Snelgrove

Paul Snelgrove led the group that pulled together the findings of the Census of Marine Life -- synthesizing 10 years and 540 expeditions into a book of wonders.

Sarah McLachlan

Singer-Songwriter & Activist

Mena Suvari

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

Beth Stern

Television Personality, Actress, Model and Wife of Howard Stern

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Tamar Geller

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

Cesar Millan

Host of The Dog Whisperer; Author of Cesar's Way