Arnold, an unemployed middle-aged mouse, confides to his wife Maria that he suspects his entire world is nothing more than a set, and his life a scripted performance. When his best friend Ramiro dies under mysterious circumstances, he traces the conspiracy to a monolithic corporation whose influence reaches every corner of their daily lives.

Asier Hormaza
as Arnold (voice)

Aintzane Gamiz
as María (voice)

Kandido Uranga
as Búho Gigante / Ermitaño (voice)

Mikel Garmendia
as Capataz/Gato Carcelero 1/Setita 1/Voz Off (voice)

José Felipe Auzmendi
as Carlos/Demonio/Médico/Policía 4 (voice)

Ander Vildosola
as Fantasma Ramiro/Paloma Mensajera/Ramiro (voice)

Nagore Irizar
as Gatita/Hurona/Jenny/Sara/Setita 2 (voice)

Arkaitz Gartziandia
as Gato Carcelero 2/Policía 2/Señor Hurón (voice)

Marga Altolaguirre
as Gertrudis/Madre de María/Paloma/Pippo/Señora Cerdo/Señora Gato/Señora Osezno/Sirena (voice)

Iñaki Beraetxe
as Gregorio (voice)