Kristen Bell

Actress & Film Producer; Known for "Veronica Mars" & "Frozen"

Sarah McLachlan

Singer-Songwriter & Activist

Tamron Hall

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

Watch Where They Hide

Sophia Bush

Actress, Humanitarian & Author

Danny Trejo

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

Alan Cumming

Emmy-Winning Actor Who Stars in "The Good Wife"

Dr. Jan Pol

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

Dr. Vernard L. Hodges

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

Simon Lovell

English Comedy Magician, Card Shark Actor and Con Man

Ashley Madekwe

Actress & Personal Style Blogger ; Best known for her role on ABC's "Revenge"

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

AJ Mendez

Former Professional Wrestler, Mental Health Advocate, Animal Rights Activist & NY Times Bestselling Author