Known For

Lee Si-yeon is known for:

  • My Boss, My Hero
    This gangster comedy tells of a successful young mobster who has taken over the fashionable Myeongdong district of Seoul. When he mistakes the poet Yun Tong-ju for a liquor similar to dongdongju, his gang decides the boss's ignorance is an embarrassment. The gang takes up a collection and puts the boss back in high school.
  • Sex Is Zero 2
    'Veteran' student Eun-sik and prom queen, swimming champ Kyung-ah are a notorious couple at the campus. While their relationship has been solid for three years, Eun-sik struggles to proceed to the 'next step' with Kyung-ah, and despite the help and support of his friends, does not manage to get her into bed. Eun-sik fears that Kyung-ah will turn her back on him and is determined to get her back...
  • Sex Is Zero
    At Sunjong University, a few students are serious, including Eun-hyo, who works hard at aerobics in hopes of doing well in a national competition. Most students goof off: drinking, partying, and focusing on sex. Eun-shik, a law student who's been in the military, is older but socially inept. He likes Eun-hyo; even though his earnest and simple side appeals to her, his juvenile excesses make him irrelevant when Sung-ok, a good-looking rich kid, charms Eun-hyo. They begin an affair, leaving Eun-shik on the sidelines. The national competition approaches and complications arise.

Related Actors

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Top Casting Suggestions

Lee Si-yeon has been suggested to play 4 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.