Dr. Jan Pol

Veterinarian; Star of Nat Geo Wild's "The Incredible Dr. Pol"

Teri Austin

Actress Known for "Knots Landing" Turned Animal Activist

Elaine Hendrix

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

Linda Blair

Actress & Animal Activist; Best Known for her Gripping Performance in "The Exorcist"

Beth Hoffman

New York Times Bestselling Author of "Saving CeeCee Honeycutt" and "Looking For Me"

David Rosenfelt

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

Bindi Irwin

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

Marty Becker

Known as America's Veterinarian; Featured on Vetstreet

Pat Parelli

Famed Horse Trainer; Known for Natural Horsemanship

Michael Archer

Paleontologist Michael Archer is working to bring back his favorite extinct animal: the Tasmanian tiger.

Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Daniel Johns

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

Rachelle Lefevre

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

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

Jenna Marbles

YouTube Sensation

Ryan Gosling

Golden Globe Award-Winning Actor Known for "La La Land" & "Barbie"

Tamron Hall

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

Watch Where They Hide

Bella Thorne

Model, Actress & Author