# Lee Si-eon

Lee Si-eon (born Lee Bo-yeon on July 3, 1982) is a South Korean actor. He is best known for his comic supporting role in the popular campus drama Reply 1997. He is also known for being a cast member of MBC's popular reality TV show I Live Alone until his departure in December 2020.

## Personal life

Lee has been in a relationship with actress Seo Ji-seung since 2017.
On November 8, 2021, it was reported that Lee would be getting married in a private ceremony on December 25, 2021, in Jeju. Later that same day, Lee's agency confirmed the report.

## Filmography
### Film

| Year | Title | Role |
| 2001 | Kick the Moon | bit part |
| 2011 | Children... | PD Yoon |
| 2011 | Perfect Game | senior member of national team/MBC Baseball player (cameo) |
| 2013 | Tough as Iron | Jong-soo |
| 2014 | My Love, My Bride | Ki-tae |
| 2019 | Race to Freedom: Um Bok Dong | Lee Hong-dae |
| 2019 | Killed My Wife | Chae Jung-ho |
| 2020 | Search Out | Sung-min |
| 2024 | Pilot | Captain from the air force (cameo) |

### Television series

| Year | Title | Role | Network | Notes |
| 2009 | Friend, Our Legend | Kim Joong-ho | MBC | |
| 2010 | Dr. Champ | Heo Taek-woo | SBS | |
| 2011 | Paradise Ranch | Secretary Lee | SBS | |
| 2011 | Warrior Baek Dong-soo | Daeheung | SBS | |
| 2011–12 | Bolder By the Day | Wang Sung-han | MBN | |
| 2012 | The King 2 Hearts | Kim Hang-ah's first love | MBC | |
| 2012 | Reply 1997 | Bang Sung-jae | tvN | |
| 2012–13 | Seoyoung, My Daughter | Choi Ho-jung's blind date | KBS2 | Cameo |
| 2013 | Don't Look Back: The Legend of Orpheus | Kim Dong-soo | KBS2 | |
| 2013 | The Strange Cohabitation | Gwang-hyun | KBS2 | Drama Special |
| 2013 | Reply 1994 | Bang Sung-jae | tvN | Cameo (Ep. 16) |
| 2013 | Eun-guk and the Ugly Duckling | Eun-guk | KBS2 | Drama Special |
| 2013 | Jin Jin | Kim Kyung-chul | KBS2 | Drama Special |
| 2014 | The Noblesse | Yoon Shin-joong | JTBC | |
| 2014 | Modern Farmer | Yoo Han-cheol | SBS | |
| 2014 | Righteous Love | | tvN | Cameo |
| 2015 | Kill Me, Heal Me | Park Min-jae | MBC | |
| 2015 | Hogu's Love | Shin Chung-jae | tvN | |
| 2015 | Beating Again | Oh Woo-sik | JTBC | |
| 2015 | Webtoon Hero Toondra Show | Text of the Joseon Dynasty | MBC Every 1 | |
| 2015–16 | Remember | Section Chief Ahn | SBS | |
| 2016 | W | Park Soo-bong | MBC | |
| 2017 | Three Color Fantasy - The Universe's Star | Grim Reaper | MBC | |
| 2017 | Innocent Defendant | | SBS | Cameo (Ep. 18) |
| 2017 | Good Manager | Prosecutor Park Yong-tae | KBS2 | Cameo (Ep. 20) |
| 2017 | Whisper | young Kang Yoo-taek | SBS | |
| 2017 | Man to Man | Ji Se-hoon | JTBC | |
| 2017 | My Sassy Girl | Bang Se-ho | SBS | |
| 2017 | Reunited Worlds | Shin Ho-bang | SBS | |
| 2017 | Man in the Kitchen | Bong Myung-tae | MBC | |
| 2017 | Two Cops | Yong-pal | MBC | |
| 2017 | I'm Not a Robot | | MBC | Cameo |
| 2018 | Live | Kang Nam-il | tvN | |
| 2018 | High-End Crush | Section chief Heo | MBN | Web Drama |
| 2018 | Player | Lim Byung-min | OCN | |
| 2019 | Welcome to Waikiki 2 | a reporter | JTBC | Cameo (Ep. 3) |
| 2019 | Abyss | Park Dong-cheol | tvN | |
| 2019 | Hotel del Luna | an astronaut | tvN | Cameo (Ep. 3) |
| 2019–20 | Queen: Love and War | Wal | TV Chosun | |
| 2020 | Dinner Mate | Food truck operator | MBC | Cameo (Ep. 3) |
| 2020 | Men Are Men | Oh Jak-ga | KBS2 | Cameo |
| 2020 | Cheat on Me If You Can | Jang Seung-cheol | KBS2 | |
| 2021 | The Penthouse: War in Life 2 | Detective | SBS | Cameo (Ep. 6) |
| 2021 | Racket Boys | Busan Citizen | SBS | Cameo (Ep.9) |
| 2022 | Crazy Love | Kang Min / Kim Cha-bae | KBS2 | |
| 2022 | Café Minamdang | Yeo Chul-pal | KBS2 | Cameo (Ep.2) |
| 2022 | Bad Prosecutor | Go Joong-do | KBS2 | |

### Television show

| Year | Title | Role | Notes |
| 2016 | Real Men | Cast Member | Manly Men special |
| 2016–2020 | I Live Alone | Cast Member | |
| 2022 | Around the World While Born | Cast Member | with Kian84 |
| 2023 | You Go to Sydney | Cast Member | with Heo Sung-tae, Ahn Bo-hyun and YouTuber KWAKTUBE |

### Music video appearances

| Year | Song Title | Artist |
| 2012 | "Have, Don't Have" | Dal Shabet |

## Theater

| Year | English title | Korean title | Role | Ref. |
| 2021 | The Perfect Other | 완벽한 타인 | | |
| 2022 | Then and Today | 그때도 오늘 | Moon-suk | |

## Awards and nominations

| Year | Award | Category | Nominated work | Result |
| 2016 | SBS Drama Awards | Special Award, Actor in a Genre Drama | Remember | Nominated |
| 2016 | MBC Drama Awards | Best New Actor | W | Nominated |
| 2016 | MBC Drama Awards | Best Couple Award (with Kim Eui-sung) | W | Nominated |
| 2016 | MBC Entertainment Awards | Male Rookie Award in Variety Show | I Live Alone, Real Men (Season 2) | Nominated |
| 2017 | MBC Entertainment Awards | Rookie Award, Variety Category | I Live Alone | Won |
| 2017 | MBC Drama Awards | Golden Acting Award, Actor in a Monday-Tuesday Drama | Two Cops | Nominated |
| 2017 | SBS Drama Awards | Best Supporting Actor | Reunited Worlds | Nominated |
| 2019 | 19th MBC Entertainment Awards | Top Excellence Award in Variety Category (Male) | I Live Alone | Nominated |
| 2019 | 19th MBC Entertainment Awards | Best Teamwork Award | I Live Alone | Won |
| 2020 | 20th MBC Entertainment Awards | Top Excellence Award in Variety Category – male | I Live Alone | Nominated |