Sung Duk-seon is the second child of the Sung family. Though not academically gifted, she has a bright and compassionate personality. She is the narrator of Reply 1988.
Her teenage version is portrayed by Lee Hyeri and her adult version was portrayed by Lee Miyeon.
Sung Deok-sun has been suggested to play 12 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
