Vestidas de azul is a Spanish drama television series billed as a follow-up to Veneno.

[6] Returning cast members from Veneno include Lola Rodríguez, Paca La Piraña, Goya Toledo, Juani Ruiz, Alex Saint, Ángeles Ortega and Desirée Vogue, with new starring roles for Rossa Ceballos, Bimba Farelo, Chloe Santiago, Geena Román, Alma Gormedino, Penélope Guerrero and Keyla Òdena.

[3] Further cast additions such as Susana Abaitua, Elena Irureta, Luis Callejo, Mercedes Sampietro, Anabel Alonso, Pedro Casablanc, Llum Barrera, Estrella Xtravaganza and Juriji der Klee were announced in February 2023 at the Berlinale Series Market.

[3] The episodes were directed by Mikel Rueda, Claudia Costafreda, and Ian de la Rosa.

[8] Atresmedia reached distribution deals with HBO Max in Portugal, the Nordics, and the Baltics.