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).
X-Man
Series • 2003
Sex Is Zero
Movie • 2002
Sex Is Zero 2
Movie • 2007
My Boss, My Hero
Movie • 2001
The Devil's Game
Movie • 2008