Jung Si-yeonActing • 1983-03-11No biography available.Known For7.4No Mercy20105.0The Tunnel20147.0A Dirty Carnival2006Fan ClubNo Nerds have favorited Jung Si-yeon yet — be the first.All fan clubsFrom NerdspinFilmographyActor32014The TunnelFilmSe-hee★ 5.02010No MercyFilmAh-ri★ 7.42006A Dirty CarnivalFilmFemale Protagonist in the Movie 2★ 7.0