Lee Sung-yeol (이성열) is a South Korean singer and actor. He's a member of the boyband Infinite and its offshoot, Infinite F.
Known For: Acting
Birthday: 1991-08-27
Place of Birth: Yongin, Gyeonggi, South Korea
Also Known As: 이성열, Sungyeol, Lee Seong-yeol, Lee Seong-yul, Lee Sung-yul, 인피니트, Infinite, 성열, 李成烈