Dr. Vernard L. Hodges

Veterinarian & Host, Known for National Geographic's "Critter Fixers: Country Vets"

Lucy King

Human-Elephant Coexistence Director

Mike Africa, Jr.

Hip Hop Artist, Public Speaker, Writer, Member of MOVE, Born in Prison, Son of 2 Former Political Prisoners who Served 40 Years in Prison Each

Linnea Quigley

Actress, Film Producer, Model, Singer & Author; Best Known as a Horror Film "Scream Queen" Know for "Return of the Living Dead," "Night of Demons"

Hannah Shaw

Cat Protection Professional, Known as "The Kitten Lady"

Dr. Katy Nelson

Animal Health Expert, Host & Executive Producer of "The Pet Show with Dr. Katy"

Sy Montgomery

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

Secrets of the Octopus

Selenis Leyva

Cuban-American Actress Known for Her Role as Gloria in "Orange is the New Black"

Robert William Fischer PhD

Philosophy Professor at Texas State University

Steven Wise

Animal Rights Lawyer

Tia Torres

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

Ric O'Barry

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

Dr. Jan Pol

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

Elaine Hendrix

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

Bindi Irwin

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

Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Patricia Arquette

Academy Award-Winning Actress, Activist, Humanitarian & Author

Danny Trejo

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

Jenna Marbles

YouTube Sensation

Bella Thorne

Model, Actress & Author