Once Upon a Time in Mexico
- Ano: 2003
- País: United States of America
- Xénero: Action, Drama, Mystery
- Estudo: Columbia Pictures, Dimension Films, Troublemaker Studios
- Palabra clave: central intelligence agency (cia), mexico, corruption, coup d'etat, revenge, gun battle, body double, political assassination, mariachi, guitar player, brutality, drug lord, mexican cartel, gun death, cia agent
- Director: Robert Rodriguez
- Reparto: Antonio Banderas, Johnny Depp, Cheech Marin, Salma Hayek Pinault, Mickey Rourke, Willem Dafoe