Érase un vez Juan Marsé
- Tahun: 2010
- Negara: Spain
- Genre: Documentary
- Studio: Alea Docs & Films, TVE
- Kata kunci: barcelona, spain, biography, spanish history, portrait of an artist, spanish literature
- Pengarah: Pedro Ballesteros
- Pelakon: Mercè Montalà, Ramon Canals, Juan Marsé, Berta Marsé, Sergi Pàmies, José Martí Gómez