Operation Cronos () is a 2026 Spanish thriller drama film directed by Fernando González Molina and written by Alberto Marini based on the police operative set up in response to the 2017 Barcelona attacks. It stars Enric Auquer, Mónica López, and Diana Gómez.
Plot In the wake of the attack in Las Ramblas in August 2017, the Catalan regional police force (the Mossos d'Esquadra) set up the so-called to find the perpetrators and prevent another attack.
Cast Enric Auquer as Jaume Romeu Mónica López as Anna Diana Gómez as Daniela Pablo Derqui Xavi Sáez Joan Pedrola
José Pérez Ocaña Israel Elejalde
Production Operation Cronos was produced by Beta Fiction Spain (Mercedes Gamero), Nostromo Pictures (Núria Valls), and Hogar Produccion AIE, in co-production with 3Cat, with backing from RTVE, Movistar Plus+, HBO Max, and support from ICAA and .
Shooting locations included Vilafranca del Penedès.
Release Distributed by Beta Fiction Spain, the film was released theatrically in Spain on 4 September 2026.
Reception Carlos Boyero of El País found the film to be "well shot", "well written", and "well researched".
Eulàlia Iglesias of Ara rated the film 2½ out of 5 stars, lamenting that it "ends up reducing the victims to anonymous corpses that only serve to show the pain of the Mossos".
Philipp Engel of Cinemanía rated the film 3½ out of 5 stars, pointing out that its "biggest drawback is also its raison d'être: confining itself to the perspective of the law enforcement forces".
of Fotogramas rated the film 3 out of 5 stars, considering that the director showcases his craft and the cast delivers.
See also List of Spanish films of 2026
References
External links Operation Cronos at ICAA's Catálogo de Cinespañol