Netflix miniseries 'El problema final' starring José Coronado premieres Sept 25

Netflix will premiere 'El problema final', a four-episode miniseries based on Arturo Pérez-Reverte's novel, on September 25, 2026. The period thriller features an ensemble cast led by José Coronado, Maribel Verdú, María Valverde, and Martiño Rivas. Source: infobae

Plot and setting

Set in the spring of 1959, the story unfolds on a small island off Mallorca where a storm traps 13 guests in an isolated hotel. When English tourist Elisa Mander is found dead—initially thought a suicide—it soon becomes clear she was murdered. Source: abces All guests become suspects, and Basil (Coronado), a retired actor who once played Sherlock Holmes in B-movies, is reluctantly drawn into investigating the crime, aided by mystery writer Foxá (Rivas). Source: excelsiormx

Cast and production

The main cast includes:

• José Coronado as Basil
• María Valverde as Adela Figueroa
• Martiño Rivas as Foxá
• Maribel Verdú as Señora Ausländer Other cast members include Gonzalo de Castro, Cristina Kovani, José Condessa, and Pepón Nieto. Source: abces The series is produced by Mod Producciones, directed by Félix Viscarret, with a screenplay by Alberto Macías, Carlos Molinero, and Marisol Farré. Source: excelsiormx