El clavo
- Tahun: 1944
- Negara: Spain
- Aliran: Drama, Misteri, Percintaan
- Studio: Cifesa
- Kata kunci: judge, madrid, spain, stagecoach, based on short story, nail, murder trial, 19th century, mysterious death, trial witness
- Direktur: Rafael Gil
- Pemeran: Amparo Rivelles, Rafael Durán, Juan Espantaleón, Milagros Leal, Joaquín Roa, Irene Caba Alba