"In-gyu has intellectual disability. His mother, Ae-soon, takes care of him, nagging him all the time. One day, she is diagnosed with terminal cancer and prepares for her son's independence."
Goh Doo-shim
as Ae-soon
Kim Sung-kyun
as In-gyu
Yu Seon
as Moon-kyung
Park Cheol-min
as Chief Park
Shin Sae-kyeong
as Gyeong-ran
Kim Hee-jung
as Jeong-ja
Kim Young-jae
as Mr. Yoon
Hyun Bong-sik
as Eun-chul
Jung Hyung-suk
as Documentary narrator
Jeong Seo-ha
as Woman In Couple
Ha-min
as Church Deacon Kwon
Jeon Gun-ik
Special Effects Supervisor
Lee Je-woo
Lighting Director
Kim Yeol-hoe
Digital Intermediate
Cho E-suck
VFX Supervisor
Im Se-ho
Martial Arts Choreographer
Lee Tae-gyu
Production Sound Mixer
Cho Young-jun
Director
Park Se-jun
Producer
Heo Jung-wook
Baek Yoon-seuk
Director of Photography
Kim Geun-a
Art Direction
Jang Hyeok-jin
Original Music Composer
Moon In-dae
Editor
Kim Deok-du
Set Decoration
Writer
Hong Zi
Production Design