Beatriz Messias, also known professionally as Bia Messis, is a Brazilian voice actor, actress, singer, and composer based in Rio de Janeiro, where she was born on June 23, 2003. Her career in dubbing encompasses a wide range of work in films, television series, and animation for both Western and Japanese productions.

Her dubbing portfolio includes voice work for major international films. She provided the Brazilian Portuguese voice for characters such as Camilla in The Conjuring 2, Hailey in Miracles from Heaven, and Helen Barnum in The Greatest Showman. In animation, her credits include the role of Marcie in The Peanuts Movie and Tabitha Templeton in The Boss Baby. She has also contributed additional voices to several prominent series, including Stranger Things.

In the realm of anime, Beatriz Messias is recognized for her leading role as Uta in the 2022 Netflix anime film Bubble. This performance marked her first time voicing a protagonist in an anime. The film, an original production by Wit Studio, was dubbed into Brazilian Portuguese at the Som de Vera Cruz studio under the direction of Erick Bougleux. Her casting as Uta, the film's central mysterious girl, placed her alongside Filipe Gimenez, who voiced the other lead character, Hibiki.