Mila Chaseliov was born on September 29, 1981, in Rio de Janeiro, Brazil. She is the daughter of actress Ada Chaseliov and filmmaker Ney Sant’Anna, and the granddaughter of legendary director Nelson Pereira dos Santos, one of the most influential figures in Brazilian cinema history. Mila made a brief appearance in the film Brasília 18%, directed by her grandfather, and also participated in the television series Confissões de Adolescente.