Jung Yi-seo (; born August 13, 1993) is a South Korean actress. She is known for her roles in dramas such as Tale of the Nine Tailed (2020), Mine (2021), Snowdrop (2022), and All of Us Are Dead (2022). She has also appeared in films such as Parasite (2019), Samjin Company English Class (2020), Real (2017), Josée (2020), and Decision to Leave (2022).
Jung Dong-hwa was born on August 13. She lived in United States from the age of 3 to 12. In her last year in primary school, her family relocated to South Korea. Due to her inability to speak fluent Korean, Jung couldn't get along well with her friends. She went to movie theater by herself and watched film A Cube of Sugar. She was moved to tears and decided that she should become an actor.
Jung studied art and attended acting academy. Later, she attended Dongduk Women's University's Department of Broadcasting and Entertainment.
In 2014, she made her debut in a minor role in '. Her breakthrough came after her appearance as a pizza shop owner in Bong Joon-ho's film Parasite. She scolded Ki-taek (Song Kang-ho) and Ki-woo (Choi Woo-shik) for not folding the pizza boxes properly, a brief but impactful appearance, a scene stealer.
In 2021, she appeared as supporting role in Lee Na-jeong's television drama Mine, starring Lee Bo-young and Kim Seo-hyung. She portrayed Kim Yu-yeon, an orphan who used to be a teacher at the Ilsin Foundation and the new housemaid at Cadenza. Her performance in the drama was well received.