Feleo's film career began with Dalawang Bandila in 1950. He was best known for Filipino comedic films such as Wooly Booly II and Humanap Ka ng Panget in 1990.
He was married to educator Victorina Marasigan with whom he had sons Juan FeleoJohnny Delgado, and Benjamin Feleo Jr.. They had two children. After his separation from Marasigan, he married actressZeny Zabala in 1964 and was with her till he died. He is the grandfather of actress Ina Feleo.