Cast
Yoon Park
Swallow
Woo Ji-hyeon
Ho-yeon
Park Mi-hyeon
Eun-sook
Jang Hui-ryeong
Eun-sook (young)
Lee Dae-yeon
Hyun-soo
Park So-jin
Eun-mi
Yoo In-soo
Hyun-soo (young)
Park Myung-shin
Jin-gyeong
Jeon Soo-jin
Jin-gyeong (young)
Park Soo-young
Manager Kim
Jung Seung-kil
Tae-mok
Jang Liu
Woman staff
Hwang Ki-seok
Sang-woo
Kim Hyeon-mok
Tae-mok (young)
Kim Eung-soo
Jung-bae
Ku Sung-hwan
Sang-hyun
Won Tae-hee
Investigator
Kim Wang-geun
Jung-ho
Kim Dong-hwan
DH staff
Mo Jeong-min
Fruit Seller
정진혁
Sinkhole Staff
Kim Myeong-gi
Sinkhole Construction Site Worker
Moon Jeong-hwan
Police
Yoon Yeong-seop
Sinkhole Staff
Lee Geum-yong
Masked Boss
Crew
Costume & Make-Up
Chung Mi-kyoung
Costume Design
Directing
Leesong Hee-il
Director
Editing
Leesong Hee-il
Editor
Lighting
Park Sang-wook
Lighting Director
Production
Kim Il-kwon
Executive Producer
Visual Effects
Lee Sang-min
Special Effects Supervisor
Writing
Leesong Hee-il
Writer