Once settled in the capital of Spain, Cuesta undertook her career in the world of the theater from the hand of Nacho Cano starring in the musical
Hoy no me puedo levantar. Her first starring role in television was in the series
Amar en tiempos revueltos, playing the role of Elisa, a humble girl who became a well-known singer of the time. After three seasons and almost three years in the musical she signed for another television series,
Plan América with Pepe Sancho (TVE 2008). Very soon she got her first change in the cinema with the 2007 comedy
Love Expresso, in which she featured alongside Asier Etxeandía, Alejo Sauras, Diego Paris, Terele Pávez and Elena Ballesteros, among others. Later, she starred together with Fele Martínez and Angel de Andrés the film
El kaserón. In 2009, she began to play the role of Margarita in the series
Águila roja which was broadcast by the Spanish public television service
TVE. She shot
Águila Roja: la película, the film version of the series, and starred in the film
Cousinhood, a comedy by Daniel Sánchez Arévalo, along with Quim Gutiérrez, Raúl Arévalo and Antonio de la Torre. On 21 October 2011 she premiered
The Sleeping Voice, a film by
Benito Zambrano, co-starring with María León. At the beginning of 2012, she was a candidate for the
Goya Awards as Best Actress thanks to her role in
The Sleeping Voice. That year, she also participated in the shooting of the film
Unit 7 (Alberto Rodríguez) with Mario Casas and Antonio de la Torre. Also, she played the role of Carmen de Triana in
Blancanieves, a silent and black-and-white version of fairy tale
Snow White, in which actresses
Maribel Verdú,
Ángela Molina and
Macarena García also participated. Almost at the same time, she starred in the short film by Rodrigo Atíza,
Muchacha con paisaje and participated in
Words with Gods (based on Guillermo Arriaga's idea) from the hand of Álex de la Iglesia in a project where directors from all around the world present an episode about
religion. (2018). In November 2012, she starred together with Alberto Ammann, Karra Elejalde and Antonio de la Torre on
Daniel Calparsoro’s last film,
Invader, for which she won the nomination for best supporting actress at the
Mestre Mateo Awards. In 2013 she played Ruth in Javier Ruiz Caldera's story
Three Many Weddings, with Martiño Rivas, Paco León, Quim Gutiérrez,
Rossy de Palma and Laura Sánchez, among others. She returned to the musicals with Javier Gutiérrez and Marta Ribera with the work
¡Ay, Carmela!. In 2016, along with Argentine actor
Ricardo Darín, she performed a young girl from a small villa in
Buenos Aires in the film
Kóblic by
Sebastián Borensztein. == Personal life ==