Lee 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).
2002 · Lee Dae-hak
2007 · Dae-hak
2008 · Movie
2001 · Heo Ri-su
2003 · Self
2010 · Movie
