However, his works have been adapted for the screen:
* "La Fundación" (1967): A film adaptation of his play "La Fundación" directed by José Luis Sáenz de Heredia.
* "El Concierto de San Ovidio" (1972): Another film adaptation of his play "El Concierto de San Ovidio" directed by Antonio Mercero.
* "La Noche de la Iguana" (1989): A television adaptation of Tennessee Williams' play "The Night of the Iguana," which Buero Vallejo translated into Spanish.
* "Historia de una escalera" (1989): A television adaptation of his play "Historia de una escalera" directed by Mario Camus.
These are just some examples of his works that have been adapted for the screen. He was a prolific writer and his plays have been adapted numerous times for both film and television.