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| Release Date | September 3, 1971 | |
|---|---|---|
| Status | Released | |
| Original Title | Ya se quien eres (te he estado observando) | |
| Runtime | 1h 25min | |
| Budget | — | |
| Revenue | — | |
| Language | Spanish | |
| Original Language | Spanish | |
| Production Countries | Mexico | |
| Production Companies | Producciones A.M. Libra | |
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