Sung Yeol (성열) is a South Korean singer and actor under Woollim Entertainment. He is a vocalist in the boy group INFINITE and its sub-group INFINITE F. He made his acting debut in 2011 with the drama While You Were Sleeping.
- While You Were Sleeping (2011) - Yoon So-Joon
- Adolescence Medley (2013) - Student Council President
- Hi! School: Love On (2014) - Hwang Sung-Yeol
- D-Day (2015) - Ahn Dae-Gil
- Love Returns (2017-2018) - Hong Seok-Pyo
- Temporary Cold Case Task Force (2018) - Oh Gyun-Shik
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