Jeon Se-jin is a South Korean film and drama score composer born in 1986. He has worked as the composer for several popular Korean dramas such as ‘Misaeng’ (2014), ‘Signal’ (2016), ‘Save Me’ (2017), and ‘My Mister’ (2018). Jeon has become known as a composer with a unique style, taking on the role of music director for works like ‘The King of Pigs’ (2022) and ‘Snow White Must Die - Black Out’ (2024).