Haan () is a 2005 South Korean spy thriller film starring Ahn Jae-mo, Im Yoo-jin and Go Jeong-il. Written and directed 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), who learned of the Japan's impending attack on Pearl Harbor in 1941, tried to warn the U.S. but was ignored. Plot Cast Ahn Jae-mo as Han Gil-soo Im Yoo-jin as Nanami/Yoon Ji-in Go Jeong-il Lee Yeong-seok Chris Jackson as Reporter Reception References External links 2005 films 2000s Korean-language films South Korean spy thriller films Films set in Korea under Japanese rule 2000s South Korean films