Blanca Portillo Martínez de Velasco (born 15 June 1963) is a Spanish film, television, and stage actress.

[6] One of her most important performances afterwards was her role of Carol in Oleanna by David Mamet, directed by Joaquín Kremel in 1994.

Portillo played the role of Carlota, an insecure but brassy hairdresser who married Gonzalo, the owner of a bar which functioned as the central set of the show.

In spite of her success in film and television, she has continued taking part in stage plays both as an actress and as a director.

In the 2005 film Alatriste, based on a book by Arturo Pérez Reverte,[10] she played a male role, specifically that of a member of the Spanish Inquisition.

She then appeared in Goya's Ghosts by Miloš Forman, playing 18th-century consort Maria Luisa of Parma, and landed her first starring role in a movie in Gracia Querejeta's film Seven Billiard Tables.