권상우
— Hyeon-woo
이정현
— Seon-young
이종혁
— Sang-cheol
Sung Dong-il
— Mr. Lee
정상훈
— Myoung-tae
김현숙
— Hong-ran
박경혜
— Nurse Kim
구성환
— Mr. Cha
전소민
— Hyeon-woo's Date
Shin Soo-ji
— Pilates instructor
이화시
— Hyun-woo's mother
이상준
— Host
Hong Eun-ji
— Show Host
Jeong Da-eun
— Student
종호
— Photographer
윤재인
— Jung Kang-hee