Korean names are kept in their original Sino-Korean characters and read with Mandarin pronunciation in Chinese subtitles.
姜 is the surname Kang (강), one of the most common Korean surnames.
哲钟 = Cheol-jong (철종):
哲 = '철' (wise),
钟 = '종' (bell). The full name is masculine and typical of K-drama male leads.
