Hee-ju (played by Kim See-eun) is a protagonist in Black Light.
Young-nam (played by Yeom Hye-ran) appears in Black Light.
Eun-yeong (played by Park Ji-hu) appears in Black Light.
Hyung-ju (played by Lee Ju-won) appears in Black Light.
So-eun (played by Kang Jin-ah) appears in Black Light.
Ki-won (played by Jo Dae-hee) appears in Black Light.
Jung-ho (played by Son Kang-gook) appears in Black Light.
Lawyer Kim (played by Jeong Do-won) appears in Black Light.
