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).
Narciso Ibáñez Menta , Emilio Gutiérrez Caba , Ramiro Oliveros , Berta Cabré , Ovidi Montllor , Antonio Molino Rojo , Marta Flores , Montserrat Prous , Alicia Orozco , Mir Ferry
Eurofilms