| Release Date | September 3, 1971 | |
|---|---|---|
| Status | Released | |
| Original Title | Ya Sé Quién Eres (Te He Estado Observando) | |
| Runtime | 1h 25min | |
| Budget | — | |
| Revenue | — | |
| Language | Spanish | |
| Original Language | Spanish | |
| Production Countries | Mexico | |
| Production Companies | Producciones A.M. Libra | |