From Wikipedia, the free encyclopedia. Patricia Llaca is a Mexican actress who has participated both in films, soap operas and TV shows. She is also sometimes credited as Patricia De Llaca. She is best known for her role as Andrea in the film La Habitación Azul. Since 2005, Llaca has hosted the TV Show Animal Nocturno alongside Mexican journalist Ricardo Rocha. Description above from the Wikipedia article Patricia Llaca, licensed under CC-BY-SA, full list of contributors on Wikipedia.