He is the usually choosen to voice many famous actors, such as Denzel Washington (Delgado was awarded for her performance in Training Day), Nicholas Cage, Antonio Banderas, Russel Crowe, Gary Oldman and Liam Nesson. Perhaps his most recognizable work as a voice actor is Doctor Gregory House (House M.D., series which he also worked in as the dubbing director for all seasons). He had thought on another voice actor to perform House, but in the end, he was choosen to voice the doctor by the same producers of the series. Hugh Laurie ("Dr. House" in the original series) even praised his performance.