Im Won-hee (; born October 11, 1970) is a South Korean actor. Im was an alumnus of the legendary Daehangno theater troupe Mokhwa (), starring in many of Jang Jin's stage plays. He made his film debut in Jang's black comedy The Happenings in 1998, and through the years has become one of the most versatile supporting actors in Korean cinema, with notable roles in Three... Extremes and Le Grand Chef. But Im is best known for his iconic role Dachimawa Lee, which began in 2000 as the title character of a 35-minute short film that director Ryoo Seung-wan made as a parody/pastiche to '70s Korean genre action films. The internet short was enormously popular and received more than a million , and in 2008, Ryoo again cast Im in an action-comedy feature film based on the same character, Dachimawa Lee.
| 1998 | The Happenings | gangster 1 | |
| 1999 | The Spy | taxi hijacker 3 | |
| 2000 | Die Bad | Detective Lee | |
| Dachimawa Lee | Dachimawa Lee | short film | |
| Taxi of Terror | policeman 1 | ||
| Coming Out | tutor | short film | |
| 2001 | Guns & Talks | priest | |
| This Is Law | Bong Soo-chul | ||
| 2002 | No Blood No Tears | Haepari ("jellyfish") | |
| Fun Movie | Hwangbo | ||
| No Comment | theater exam taker / national assembly member 1 | ||
| 2003 | Silmido | Won-hee | |
| 2004 | Three... Extremes | intruder | short film |
| Lovely Rivals | man in TV drama | Cameo appearance | |
| 2005 | Crying Fist | Won-tae | |
| 2007 | Happy Killing | Du-chan | |
| Punch Strike | Kwang-gyun | ||
| M | Sung-woo | ||
| Le Grand Chef | Bong-joo | ||
| 2008 | Dachimawa Lee | Dachimawa Lee | |
| 2009 | Short! Short! Short! 2009: Show Me the Money | short film "Neo Liberal Man" | |
| 2010 | Miss Staff Sergeant | Wang Jong-pal | |
| A Barefoot Dream | Director Poong | ||
| The Quiz Show Scandal | Lee Joon-sang | ||
| 2011 | Romantic Heaven | Detective Kim | |
| Officer of the Year | PhD Ko | ||
| Mr. Idol | Park Sang-shik | ||
| 2012 | I Am the King | Hae-goo | |
| 2013 | Happiness for Sale | man at city hall stealing coins | Cameo appearance |
| Rockin' on Heaven's Door | Bong-shik | ||
| Horror Stories 2 | teacher | short film "The Escape" | |
| My Dear Girl, Jin-young | gynecologist | Cameo appearance | |
| 2015 | Makgeolli Girls | Jang-ddol | |
| Three Summer Nights | Dal-soo | ||
| Office manager Park | |||
| 2017 | Judge | ||
| 2018 | Snatch Up | Loan shark Baek | |
| Judge | |||
| Passing Summer | Jung-bong | ||
| 2019 | The Skill of Remarriage | Kyung Ho | |
| Forbidden Dream | Im Hyo-don | ||
| 2020 | Collectors | Sabdari / Shovel Leg | |
| 2022 | Reverse | Sang Ho | Sound film |
| 2024 | Handsome Guys | Lee Won-hee | Special appearance |
| 2006 | Coma | Detective Choi | |
| 2010 | Legend of the Patriots | Kim Joon-beom | |
| 2011 | Drama Special: Lethal Move | Jong-man | |
| 2012 | Salamander Guru and The Shadows | Won-sam | |
| Syndrome | Oh Gwang-hee | ||
| 2013 | Kim Chul-soo | Cameo appearance, ep 10–12 | |
| 2014 | You're All Surrounded | Cha Tae-ho | |
| 2016–2023 | Dr. Romantic | Jang Gi-tae | Season 1–3 |
| 2016–2017 | The Legend of the Blue Sea | Doctor | Cameo appearance, ep 19 |
| 2017 | Strong Girl Bong-soon | Baek Soo-tak | |
| Drama Stage: History of Walking Upright | Mi-Na's father | ||
| 2018 | Where Stars Land | gift shop employee | Cameo appearance, ep 17 |
| Wok of Love | Wang Chun-soo | ||
| Room No. 9 | Bang Sang-soo | ||
| 2019 | Chief of Staff | Go Seok-man | Season 1–2 |
| Melting Me Softly | Son Hyun-ki | ||
| 2020 | Drama Special: Modern Girl | viscount | |
| 2021 | Dark Hole | Park Soon-il | |
| 2021–2022 | Moonshine | Hwang So-yoo | |
| 2022 | Crazy Love | Park Tae-yang | |
| From Now On, Showtime! | God of heaven | Cameo appearance, ep 16 |
| 2021 | Move to Heaven | Oh Hyun-chang | |
| So Not Worth It | Mr. Crane | cameo, ep 4 | |
| The Witch's Diner | Goo Hyo-sik | cameo |
| 2013 | Gag Concert "Discoveries in Life" sketch | |
| 2013–2014 | Law of the Jungle in Micronesia | Cast member |
| 2014 | Law of the Jungle in Borneo | |
| I Am a Man | ||
| 2015 | Real Men – Season 2 | |
| 2018–present | My Little Old Boy | |
| 2021–present | Dolsing Fourmen | Host |
| + Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination ! scope="col" | Award ceremony ! scope="col" | Year ! scope="col" | Category ! scope="col" | Nominee / Work ! scope="col" | Result ! scope="col" class="unsortable" | |
| 2018 | Best Supporting Actor | Wok of Love | ||||
| 2020 | Best Couple Award with Jung Suk-yong | My Little Old Boy | ||||
| 2021 | Grand Prize (Daesang) | My Little Old Boy | ||||
| Excellence Award in Talk/ Variety Category | My Little Old Boy, Dolsing Fourmen | |||||
| 2022 | Scene Stealer Award | |||||
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