Overview
This movie is the first of a trilogy that Sebastián D'Arbó, a specialist in parapsychology, filmed on occult topics. The second film is El ser (1982) and the last one Más allá de la muerte (1986).
| Actor | Age then | Age now | |
|---|---|---|---|
 | 68 | May 15, 2004 (91) | |
 | 38 | 82 | |
 | 39 | April 26, 2023 (82) | |
 | - | - | |
 | 38 | March 10, 1995 (53) | |
 | 54 | November 2, 2011 (85) | |
 | - | - | |
| - | - | |
 | 67 | September 18, 2005 (92) | |
 | - | - |