- Country: Argentina
- Genres: Drama, Sci-Fi
- Release: 1998-09-24
- Director: Fernando Spiner
- Writers: Fabián Bielinsky , Ricardo Piglia , Fernando Spiner
- Language: Spanish
- Stars: Eusebio Poncela , Sofía Viruboff , Lorenzo Quinteros , Lorenzo Quinteros , Patricio Contreras , Gastón Pauls , Norman Briski , Alejandro Urdapilleta , Lucrecia Capello , Noemí Frenkel , Martin Slipak
- Runtime: 103 min
- Awards: 6 wins & 10 nominations
- AKA: The Sleepwalker: Memories of the Future (Australia) , La sonámbula (Argentina) , Sleepwalker (United States of America) , La sonámbula
- Plot: Argentina, 2010. It is the bicentennial of the May Revolution. The authorities carry out experimental tests with a new chemical substance. When an accident occurs, this causes hundreds of thousands of people to lose their memory and, with it, their identity.
- IMDB:tt0145480
Sleepwalker Cast · · · ALL
Fernando Spiner
Director
Eusebio Poncela
Ariel Kluge
Gastón Pauls
Gorrión
Lorenzo Quinteros
Dr. Gazzar / Gauna
Patricio Contreras
Santos, Chief of Security
Alejandro Urdapilleta
Aldo
Lucrecia Capello
Dra. Sandler
Martin Slipak
Andrés Kluge
Pastora Vega
Dra. Estévez
Belén Blanco
Carolina, girl in therapy
Martín Adjemián
Police 1
Pía Uribelarrea
Police woman 1
Silvina Bosco
Police woman 2
María José Gabín
Lab receptionist
Norma Angeleri
Oficial
Sofía Viruboff
Eva Rey