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Netflix's 'El Cuco de Cristal' Premieres Friday in Adaptation of Javier Castillo's Bestseller

The six-part thriller adapts Javier Castillo's novel into a fictional mystery set in northern Spain.

Overview

  • Catalina Sopelana leads as Clara Merlo, a young medical resident who survives a heart transplant and searches for her donor's identity in a secluded village.
  • Her arrival coincides with the disappearance of a baby in a community long haunted by unexplained vanishings.
  • The season comprises six episodes that debut on Netflix on November 14, 2025.
  • It is a fictional adaptation of Castillo's book and follows the streamer’s previous series based on his work.
  • The series is directed by Laura Alvea and Juan Miguel del Castillo, written by Jesús Mesas Silva and Javier Andrés Roig, and features Itziar Ituño and Álex García among the principal cast.