구성환
- Kichwa: 구성환
- Umaarufu: 2.237
- Kujulikana kwa: Acting
- Siku ya kuzaliwa: 1980-06-30
- Mahali pa kuzaliwa: South Korea
- Ukurasa wa nyumbani:
- Pia inajulikana kama: 구성환, Ku Sung Hwan, Gu Seong-hwan, Koo Sung-hwan, Ku Seong-hwan, Koo Sung-hwan, Gu Sung-hwan
