Yum Jung-ah (염정아) is a South Korean actress. She was born on July 28, 1972. Her notable films include A Tale of Two Sisters, The Big Swindle, The Old Garden, and Cart, as well as the television series Royal Family. She is best known for her role of Han Seo Jin in the jTBC drama "SKY Castle". She was also the first runner-up in the 1991 Miss Korea Beauty Pageant.
| Movie | Mission: Cross 2 | Mi-seon | 2026 |
| Movie | Land | Hwa-sook | 2026 |
| Series | The Defects | Kim Se-hee | 2025-07-21 |
| Series | Love, Take Two | Lee Ji-an | 2025-08-04 |
| Movie | Alienoid: Return to the Future | Madam Black | 2024-01-10 |
| Movie | Mission: Cross | Mi-seon | 2024-08-08 |
| Series | No Way Out: The Roulette | Ahn Myung-ja | 2024-07-31 |
| Series | Fresh off the Sea | self | 2024-07-18 |
| Series | Nattering with Nah | Unknown | 2023-06-02 |
| Movie | Smugglers | Uhm Jin-sook | 2023-07-26 |
| Movie | Life Is Beautiful | Oh Se-yeon | 2022-09-28 |
| Movie | Alienoid | Madam Black | 2022-07-20 |
| Series | Cleaning Up | Eo Yong-mi | 2022-06-04 |
| Series | The Game Caterers | Self | 2021-03-12 |
| Movie | Steel Rain 2: Summit | First lady | 2020-07-29 |
| Movie | Hit-and-Run Squad | Yoon Ji-hyeon | 2019-01-30 |
| Movie | Trade Your Love | Mrs. Chun | 2019-02-27 |
| Series | Three Meals a Day: Mountain Village | Self | 2019-08-09 |
| Movie | Start-Up | Jeong-hye | 2019-12-18 |
| Movie | Another Child | Young-joo | 2019-04-11 |
| Series | Amazing Saturday | Self | 2018-04-07 |
| Series | You Quiz on the Block | Self | 2018-08-29 |
| Movie | Intimate Strangers | Soo-hyun | 2018-10-31 |
| Series | SKY Castle | Han Seo-jin | 2018-11-23 |
| Movie | The Mimic | Hee-yeon | 2017-08-17 |
| Series | Let's Eat Dinner Together | Herself | 2016-10-19 |
| Series | Secret Healer | Hong-Joo | 2016-05-13 |
| Movie | Cart | Sun-hee | 2014-11-13 |
| Series | Your Neighbor's Wife | Chae Song-ha | 2013-10-14 |
| Series | Baeksang Arts Awards | Self | 2012-04-26 |
| Series | Shut Up Flower Boy Band | Kwon Ji-hyuk's mother | 2012-01-30 |
| Movie | Love Portion | Wife | 2012-09-13 |
| Movie | The Spies | Kang | 2012-09-20 |
| Series | My Love, Madame Butterfly | Nam Na-bi | 2012-10-06 |
| Series | Royal Family | Kim In-sook | 2011-03-02 |
| Series | Running Man | Unknown | 2010-07-11 |
| Movie | Woochi: The Demon Slayer | Actress | 2009-12-23 |
| Series | 워킹맘 | 2008-01-01 | |
| Movie | The Worst Guy Ever | Ju-Yeon | 2007-08-30 |
| Movie | The Old Garden | Han Yoon-hee | 2006-09-24 |
| Movie | A Tale of Two Sisters: 'Making Of' | Self | 2005-03-29 |
| Movie | A Boy Who Went to Heaven | Bu-ja | 2005-11-11 |
| Movie | Sad Movie | Yeom Ju-young | 2005-10-20 |
| Series | Say You Love Me | Jo Lee-na | 2004-02-25 |
| Movie | The Big Swindle | Seo In-kyung | 2004-04-15 |
| Movie | Three... Extremes | Vampire Actress (segment "Cut") | 2004-08-20 |
| Movie | Lovely Rivals | Yeo Mi-ok | 2004-11-17 |
| Movie | A Tale of Two Sisters | Eun-joo | 2003-06-13 |
| Movie | Digital Short Film Omnibus Project Twentidentity, Vol. 1 | Woman - segment: "20mm Thick" | 2003-01-01 |
| Movie | H | Detective Kim Mi-yun | 2002-12-26 |
| Series | School | Cha Hyun-Joo | 1999-02-22 |
| Series | Rising Sun, Rising Moon | Unknown | 1999-10-18 |
| Movie | Tell Me Something | Oh Seung-min | 1999-11-13 |
| Series | Legend of Ambition | Unknown | 1998-04-04 |
| Series | Model | Park Soo-ah | 1997-04-09 |
| Movie | Miran, The Revenger | Unknown | 1996-01-20 |
| Series | The Brothers' River | Park So-hee | 1996-10-02 |
| Series | 컬러 | Unknown | 1996-05-01 |
| Movie | The Terrorist | Chae-eun | 1995-05-12 |
| Movie | Jazz Bar Hiroshima | Sayuri | 1992-11-14 |
| Series | KBS Drama Awards | Host | 1987-12-31 |