A creature action thriller series about the desperate survival of the survivors among the mutant humans who drank a mysterious black smoke from the sinkhole and soon turned into monsters and quickly became a pandemonium.
Lee Hwa Sun
Yoo Tae Han
Woo Sang
Choi Seung Tae
Lee Young Tae
Yoon Saet Byeol
Choi Gyeong-su
Han Dong Rim
Song Sang Eun Kim Seon Nyeo / "Sunnyeo" / "Madame Kim"
Jung Do Yoon
Han Ji Soo
Park Soon Il
Cho Hyun Ho
Lee Jin Seok
Yoon Ji Ae
Kang Sung Beom
Son Dong Goo
Teacher Na Se-na
Kim Bo-eun
Nurse
Nurse
Student
