- Country: Argentina, Spain
- Genres: Crime, Drama, Horror
- Release: 2007-05-18
- Director: Jorge Algora
- Writers: Jorge Algora , Christian Busquier , Héctor Carré , Lidia Fraga
- Language: Spanish | Galician | Catalan
- Stars: Maribel Verdú , Daniel Freire , César Bordón , Chete Lera , Juan Ciancio , Abel Ayala , Roly Serrano , Sergio Boris , Oscar Alegre , Jonathan Gruber
- Runtime: 103 min
- Awards: 10 wins & 9 nominations
- AKA: El niño de barro , Грязный мальчик (Russian Federation) , El niño de barro (Argentina) , El niño de barro (Spain) , The Mudboy
- Plot: Police try to hunt down a serial killer in 1912 Buenos Aires.
- IMDB:tt0818123
The Mudboy Cast · · · ALL
Jorge Algora
Director
Maribel Verdú
Estela
Daniel Freire
Chete Lera
Abel Ayala
Roly Serrano
Juan Ciancio
César Bordón
Octavio
Sergio Boris
Palacios
Oscar Alegre
Valentín
Nicolás Torcanowsky
Arturo Larrondo
Emilio Bardi
Fiore Godino
Mario Moscoso
Benito Lupoff