At 39 years old, Lee Wan has this physical status:
Kim Hyung-soo began his career in theatre after appearing in a music video with older sister actress Kim Tae-hee. Lee Wan made his acting debut in 2003, using the stage name Lee Wan. He first appeared in a supporting role in the television drama Stairway to Heaven, later in romantic comedies Snow White: Taste Sweet Love and Let's Go to the Beach. In the 2006 melodrama Tree of Heaven, a joint Korean-Japanese project, he returned with Stairway to Heaven costar Park Shin-hye. Lee also contributed the song "Where Farewells Don't Exist" to the drama's soundtrack.
Lee's increasing popularity in the Korean film Veronika Decides to Die (based on Paulo Coelho's similar-titled book) which screened at the 2005 Tokyo International Film Festival, culminated in him being cast as the leading man in the Japanese film Veronika Decides to Die (based on the same-titled book). In the 2007 Japanese television drama Magnolia no Hana no Shita de ("Under the Magnolia"), a Korean man and a Japanese woman who met while studying in New York City, he also played the leading role opposite Ami Suzuki. He returned to Korean television with a supporting role in In-soon Is Pretty as the protagonist's younger brother.
Lee appeared in the Korean War film Once Upon a Time in Seoul in 2008. In 2009, he appeared as a villain in the gambling-themed film Swallow the Sun.
Lee enlisted for mandatory military service on July 12, 2010 and was a member of the Defense Media Agency's entertainment soldiers unit. On April 23, 2012, he was discharged.
Lee appeared in the 2013 online drama It's Not Over Yet; it aired in 6-part 10-minute Fence installments on social media sites as his first post-army campaign. He appeared in Northern Limit Line, a naval drama about the Second Battle of Yeonpyeong, in 2015.
- 2004 SBS Drama Awards: New Star Award (Little Women)
- 2004 KBS Drama Awards: Best New Actor (Snow White: Taste Sweet Love)