Francisco Javier García de la Camacha Gutiérrez-Ambrossi, better known as Javier Ambrossi, is a Spanish actor, stage, film and television director, and writer. He is best known for creating and directing the musical La llamada and its film adaptation together with Javier Calvo, as well as the television series Paquita Salas, Veneno and La mesías.

Francisco Javier Calvo Guirao known professionally as Javier Calvo is a Spanish actor, stage, film, and television director and writer. He is best known for his role of Fernando "Fer" Redondo in the Antena 3 series Física o Química (2008-2011). Calvo created and directed the musical La llamada together with Javier Ambrossi, with its success leading to a film adaptation (2017). Continuing their work together, Calvo and Ambrossi would develop the television series Paquita Salas (2016–present), Veneno (2020-2023) and its upcoming sequel Vestidas de Azul (2023-2024), and La Mesías (2023). The director pair are also romantic partners commonly referred to as 'Los Javis'. He has received several awards including a pair of wins in both the Feroz Awards and Fotogramas de Plata, and has received nominations for two Goya Awards.