Bianca Demofonti is an Italian voice actress born in the year 2011. She began her dubbing career at the age of seven after a friend introduced her to the craft, leading her to take a course that combined dubbing and theater. Her first notable role was providing the voice for the character Marcie in the Peanuts franchise.

Her career encompasses a range of roles in animated series, films, and television productions. In the field of anime, Demofonti is known for two significant roles. She voices the character Chibi Chibi in the 2023 film Pretty Guardian Sailor Moon Cosmos the Movie. She also provides the voice for Hana Sakamoto in the anime series Sakamoto Days.

Beyond these anime projects, her other major voice roles include Tuk, the daughter of Jake Sully and Neytiri, in the film Avatar: The Way of Water. She has also voiced the character Lys Solay in the animated series Star Wars: Young Jedi Adventures. Her other work includes voicing Pippa in Pretzel and the Puppies, Ely in Ely + Bea, Romy in Week-end in famiglia, Julie in Doug il robot curioso, and Juno in the series Cassandra. She also lent her voice to the character Lilli Falk in the film The Zone of Interest.

Demofonti is multilingual, speaking fluent Spanish due to her Argentine maternal origins, and she studies English and Chinese. Outside of voice acting, she practices artistic gymnastics and has studied classical guitar. In recognition of her work, she received the Vocine del futuro (Voices of the Future) award at the Gran Galà del Doppiaggio held at Romics in 2025.