Bailey Gambertoglio is an American voice actress and musician born on February 23, 2000, in Houston, Texas. She began working professionally at the age of four, building a career across music, film, television, voiceover, and theater. Her early on-screen appearances included roles in films such as Mulberry Stains, Los Lost Ones, and Stuck, as well as a guest spot on the television series Hot in Cleveland.

Gambertoglio is best known for her extensive voice work in animated series and video games. She gained significant recognition for taking over the role of Molly on the long-running Nick Jr. series Bubble Guppies, a part she voiced for several years. She also voiced the character Hank in the 2015 Transformers: Robots in Disguise animated series, appearing in multiple episodes of the show. Her other prominent animation roles include Abigail Stone in the Netflix series Spirit Riding Free and its various spin-offs, Pumpkin in Disney's Whisker Haven Tales with the Palace Pets, and Tiifu in The Lion Guard. She has also voiced characters for Sofia the First, The Legend of Korra, and PAW Patrol.

In the video game industry, Gambertoglio has a recurring role as the voice of Moogle characters in the Final Fantasy series, appearing in titles such as Lightning Returns: Final Fantasy XIII, World of Final Fantasy, Dissidia Final Fantasy NT, Final Fantasy XVI, and Final Fantasy VII Rebirth. Her other notable video game credits include Shoka Sakurane in Neo: The World Ends With You and Lucy Holmes in Wilson's Heart.

Throughout her career, Gambertoglio has frequently collaborated with major animation studios and networks, including Nickelodeon, Disney, and Netflix, as well as video game publishers like Square Enix. She has also performed songs for some of the shows she has appeared in, including the theme song for Spirit Riding Free. Her body of work demonstrates a consistent presence in family-oriented animation and major Japanese video game franchises localized for English-speaking audiences.