Ana, a poor woman, agrees to be locked in an anechoic chamber, the most silent place in the world.
Lara Martorell
as Ana / Esther
Pablo Viña
as Director
Adrià Escudero
as Mateo
Marian Vilalta
as Police Chief
Gemma Castells
as Woman / Ana
Clara Galán
as Assistant
Orencio Ortega
as Esther's Father
David Hernández
as Ana's Son
José Torresma
as Ana's Husband
Alberto Ayala
as Delinquent
Francisco Hurtado
as Old Man
