Byun Yo-han
Park Jung-gu
Acting
Park Jeong-min
Hyo-min
Acting
Kim Hee-chang
Professor Baek
Acting
Oh Chang-kyung
Detective Oh
Acting
Lee Si-won
Si-Won
Acting
Kim Jong-goo
Managing director Kim
Acting
Park Seong-il
Han Gyu-nam
Acting
Park Hye-jin
Interviewer
Acting
Jo Seul-yeah
119 (voice)
Writing
Jung Young-sub
Doo-sik
Acting