Gabby Ballhausen made his cinema debut in "We, Brothers". She is a graduate of the Wolf Maya School of Acting, where her dream of becoming an actress began to take shape. Among her most notable works is the film Amigos (2018), directed by Ignácio Coqueiro; the stage play Odisseias, directed by renowned Belgian director Thierry Tremouroux; and the web series Diário de Jaque, directed by Diego Esteve, which won Best Children’s Web Series at Rio WebFest in both 2018 and 2019. In 2019, she appeared in the music video Away from the Sun by the band Reckoning Hour. In 2021, she joined the cast of Quanto Mais Vida, Melhor, walked in two fashion shows for the brand Reserva, and modeled in a catalog for InRio BeachWear. In 2022, she made a guest appearance in Além da Ilusão, directed by Luiz Henrique Rios. In 2023, she appeared in the 9th season of Reis on Record TV. In 2024, she starred in a medium-length film as Susanna, the First Lady of an American cartel, a role entirely in English and directed by Renata Jones. In 2025, she had a guest role in Paulo, a Record TV series, and completed a course with the renowned acting coach Ivana Chubbuck.