María Romanillos

Romanillos was born in 2004 in Madrid, training at theatre school Cuarta Pared and film school Primera Toma. In 2020, she made her television debut, featuring in a minor role in Riot Police. She made her film debut in Claudia Pinto's The Consequences (2021), playing a girl arriving in an isolate island alongside her parents. For two seasons (2021–22), she starred in speculative fiction teen drama series Paradise. In 2022, she featured in thriller drama film Staring at Strangers, based on a novel by Juan José Millás; she portrayed a girl living with her parents in a home disturbed by the presence of a stranger who unintendedly arrived to their home hidden in an wardrobe. She also starred in supernatural horror film 13 Exorcisms (2022), portraying the protagonist, a young girl 'diagnosed' with suffering a demonic possession. In 2024 she played a teenager dreaming on being able to write as her uncle, a noted writer, in La casa. She also played the gender-fluid granddaughter of Luis Bermejo's Norberto, a woman trapped in a man's body, in Norberta.

In 2024, she wrapped shooting the thriller film El cuento del lobo (in the role of a cleaning woman) and joined the cast of Netflix sports teen drama series Olympo.