Mili's theme "Ventanita De Los Sueños" samples "Había Una Vez" and "Por Una Sola Vez", two earlier themes sang by Agustina Cherri (and her character Mili).
After "Chiquititas", Castaño acted in 1998's "Verano del '98", where he once again acted alongside fellow "Chiquititas" stars Agustina Cherri, Celeste Cid, Catalina Artusi, Diego Mesaglio and Guido Kaczka, among others.