Romualdo Castillo is a charismatic upcoming multilingual actor best known for is performance in the "CBS" prime time TV Show "Hawaii Five-O" as Koslov. He was raised in France and ...Show More
Romualdo Castillo is a charismatic upcoming multilingual actor best known for is performance in the "CBS" prime time TV Show "Hawaii Five-O" as Koslov. He was raised in France and Spain and then went on to study in England. He is fluent in English, French, Spanish and conversational in Italian and Portuguese. Hide
