Delgado's interest in the dramatic arts sprouted at a young age and he acted in high school productions of Spanish plays such as Puebla de Mujeres and Prohibido Suicidarse en Primavera.
[1] He pioneered television in Puerto Rico and appeared regularly as an actor, announcer, MC, talk show host, and producer.
After acting in numerous off-Broadway productions such as The Heiress, Shakhuntala, and The Summer House, he returned to Puerto Rico and became a leading man in soap operas such as Concierto de Amor and Bajo el Vuelo de los Alcatraces.
In 1970, he became an independent producer and created hits such as Sabado Gigantes, (produced along with Mario Pabon and not to be confused with Sabado Gigante), Field Day por Television, Gane con Subaru, Volando con Pan Am and pioneered morning television in his country with Despierta Puerto Rico.
Delgado produced TV shows with a high quality standard, avoiding vulgarity or sensationalism.