Haan () is a 2005 South Korean spy thriller film starring Ahn Jae-mo, Im Yoo-jin and Go Jeong-il. Written, directed and produced by Lee In-soo, it is based on the true story of Korea's first double agent, Haan Kil-soo (also known as Kilsoo Haan).
Kilsoo Haan, Korea's first double agent, learns of Japan's imminent attack on Pearl Harbor in 1941. He tries to warn the US but his warnings are not taken seriously in time.