Iris is a 2009 South Korean espionage television drama series, starring Lee Byung-hun, Kim Tae-hee, Jung Joon-ho, Kim Seung-woo, Kim So-yeon and   T.O.P (Choi Seung-hyun) of Big Bang. It aired on KBS2 from October 14 to December 17, 2009, on Wednesdays and Thursdays at 21:55 for 20 episodes.