This loose remake of Fritz Lang's classic M, about the search for a child murderer, focuses on a nightclub singer who catches sight of the killer and on the morally conflicted prosecutor leading the investigation.
| Writing | Alberto Etchebehere | Writer |
| Directing | Román Viñoly Barreto | Director |
| Writing | Román Viñoly Barreto | Writer |
| Sound | Juan Ehlert | Music |
| Directing | Horacio Parissotto | Assistant Director |
| Art | Jorge Beghé | Production Design |
| Editing | Higinio Vecchione | Editor |
| Editing | Jorge Gárate | Editor |
| Costume & Make-Up | Bruno Boval | Makeup Artist |
| Crew | Aníbal González Paz | Cinematography |
| Writing | Fritz Lang | Original Story |
