Celebrity Animal Advocates Who Are Making a Difference

“Help control the pet population. Have your pets spayed or neutered.”

If you’re of a certain age, that simple line may bring back fond memories. That’s because Bob Barker repeated it at the end of every episode of The Price Is Right for decades, and it made an enormous difference in public awareness around responsible pet ownership. His legacy opened the door for many other well-known figures who have used their fame to advocate for animals, including pets, farm animals, or wildlife. Below, we spotlight some of the most beloved celebrities who have used their platforms to speak for creatures who can’t speak for themselves.

Betty White

Betty White was an Emmy-winning actress and television icon known for The Golden Girls, The Mary Tyler Moore Show, and myriad other performances over her seven-decade Hollywood career. White was a lifelong supporter of zoos, wildlife conservation, and animal health research. She worked closely with the Los Angeles Zoo and the Morris Animal Foundation and helped raise millions for conservation and animal medical studies. One might say to Betty White: Thank you for being a friend…to animals.

Joaquin Phoenix

Joaquin Phoenix is an Oscar-winning actor best known for films like Joker, Walk the Line, and Her. A vegan since childhood, Phoenix frequently partners with major animal-rights organizations and uses interviews, public appearances, and even award-show speeches to highlight animal suffering. He has even requested that all his costumes be made from synthetic (non-leather) materials.

Alicia Silverstone

Alicia Silverstone is an actress and author best known for her breakthrough role in Clueless and later work in environmental and wellness advocacy. Silverstone has been vegan for decades and is an outspoken critic of fur, leather, wool, and animal testing. She’s also involved in sanctuary work and educational campaigns promoting compassionate lifestyles. In the 1990s, her advocacy helped make veganism more accessible and normal in pop culture, especially for younger audiences.

Pamela Anderson

Pamela Anderson became one of the most recognizable celebrities of the 1990s thanks to Baywatch and numerous television and modeling roles. Anderson has long worked with animal-rights groups, focusing on anti-fur campaigns, plant-based diets, and ending animal testing. Her bold, highly visible activism helped draw worldwide attention to the cruelty of the fur industry and the benefits of a plant-based lifestyle.

Ricky Gervais

Ricky Gervais is a comedian, actor, and writer best known for creating the original The Office and for his sharp, outspoken comedic style. Gervais has used social media and interviews to condemn trophy hunting, cruelty in entertainment, and the fur and exotic-pet trades. He has also donated large sums to animal-welfare organizations. His blunt, humorous style has galvanized millions and pushed animal-welfare issues into mainstream global conversations.

Tippi Hedren

Tippi Hedren is an actress and former model best known for starring in Alfred Hitchcock’s The Birds, which is slightly ironic, being that her character spent the entire film being attacked by animals. In 1983, she founded the Shambhala Preserve, a sanctuary for big cats rescued from the entertainment industry, roadside zoos, and private ownership. Hedren was a pioneer in protecting captive big cats, helping to inspire public scrutiny of exotic-animal ownership decades before it entered the cultural spotlight.

Leonardo DiCaprio

Leonardo DiCaprio is an Oscar-winning actor and producer known for Titanic, The Revenant, Inception, and countless other major films. Through the globally-reaching Leonardo DiCaprio Foundation, he supports wildlife protection, marine conservation, anti-poaching efforts, and habitat preservation. His foundation not only works on animal protection, but also focuses on habitat preservation, climate change mitigation, clean water access, Indigenous rights, and ecosystem preservation—all of which directly or indirectly help support animal populations

Ellen DeGeneres

Ellen DeGeneres is a comedian and former daytime talk-show host known for The Ellen DeGeneres Show, as well as her earlier stand-up and sitcom work. She has supported both rescue organizations and wildlife causes, and her pet-food brand’s foundation has funded disaster relief for displaced pets. By normalizing adoption and promoting animal kindness on a popular daytime platform, she was a major player in helping to bring rescue culture into the mainstream.

Diane Keaton

Diane Keaton was an Academy Award-winning actress known for Annie Hall, The Godfather trilogy, and numerous acclaimed comedies and dramas. Keaton worked with the Helen Woodward Animal Center on adoption campaigns, especially the “Home 4 the Holidays” initiative to place shelter pets in loving homes, strongly encouraging adopting pets over purchasing them.

Bryan Adams

Bryan Adams is a Grammy-winning Canadian singer-songwriter known for classics like “Summer of ’69” and “(Everything I Do) I Do It for You.” A longtime vegan, Adams has publicly opposed fur, elephant poaching, and animal exploitation, and has supported organizations such as PETA that promote humane treatment across species, as well as working with Greenpeace on anti-whaling campaigns.

Kristen Bell

Kristen Bell is an actress known for Veronica Mars, Frozen, and The Good Place, as well as her charming, comedic public persona. Bell is a longtime supporter of animal rescue, fosters senior and medically fragile dogs, and partners with organizations like the ASPCA and the Humane Society. She’s taken pet adoption advocacy a step further with her willingness to spotlight shelters and difficult-to-adopt pets, encouraging fans to look beyond the “cute and young” stereotype.

Keanu Reeves

Keanu Reeves is a globally recognized actor known for The Matrix, Speed, and decades of acclaimed film work—and if you’ve seen John Wick, you know what this man will do if you mess with his dog! But in real life, Reeves has quietly supported numerous rescue and animal-welfare organizations, often donating privately and advocating against animal cruelty without fanfare. He’s also known for adopting animals from film sets and advocating for humane treatment within the movie industry. Though more low-key than others on this list, Reeves’ kindness and consistent support have made him a respected advocate who uses quiet compassion as his platform.

What We Can Learn From Them

Having the wide-reaching platform of celebrity is certainly helpful in getting the message out, but we don’t need to be celebrities to make a difference. By following their lead—adopting rather than buying, supporting rescues and sanctuaries, or simply speaking up against cruelty—each of us can help shape a kinder world for animals. These high-profile voices are powerful messengers, but they need us—the ones receiving the message—to be the real difference makers. If just a few celebrity voices can change hearts, imagine the impact of many thousands!