Lee Si-yeonActing · b. 1980ShareLee Si-yeon (이시연) is a South Korean actress. Prior to her sex reassignment surgery in 2007, she was sometimes credited under her male birth name of Lee Dae-hak (이대학).Known forAdd6.2Sex Is Zero2002 · Lee Dae-hakAdd5.6Sex Is Zero 22007 · Dae-hakAdd5.7The Devil's Game2008Add6.2My Boss, My Hero2001 · Heo Ri-suYearPopularTop ratedAll acting creditsNan yeojaga dwaesseoAddNan yeojaga dwaesseo2010Add5.7The Devil's Game2008Add5.6Sex Is Zero 22007 · Dae-hakAdd6.2Sex Is Zero2002 · Lee Dae-hakAdd6.2My Boss, My Hero2001 · Heo Ri-su
