Advertising Remove ads Home / Stars / Sung-hyun Byun / Filmography Filmography Sung-hyun Byun Profile Filmography 3 Sung-hyun Byun films and TV shows 3 films, 2017–2025 As a writer 3 2025 Good News Director · Writer Where to watch 2025 Mantis Writer · Producer Where to watch 2017 The Merciless Director · Writer Where to watch Advertising Remove ads As a director 2 2025 Good News Director · Writer Where to watch 2017 The Merciless Director · Writer Where to watch As a producer 1 2025 Mantis Writer · Producer Where to watch Advertising Remove ads
