Antonia San Juan started her career as an actress in classic theatre in the Spanish Philology Faculty company. Soon after, she joined Café Teatro, where she wrote and played monologues for more than 15 years. In the nineties, when she started shooting films, she was part of some of the most recognised Spanish films. In 2000, she founded her own theatre company, that has premiered successfully its own plays, as well as having adapted plays. In 2001, Antonia decided to use all her knowledge in feature films to start producing her own short films.
Nowadays, she works as an actress, writer and director, both in theatre and in cinema.