"An old man is given the power to age backwards, but every time he falls in love he ages forward."
Shin Ha-kyun
as Chairman Choi Go Bong / Choi Shin Hyung
Jang Na-ra
as Eun Ha Soo
Lee Joon
as Choi Dae Han
Jung Suk-won
as Director Jung Yi Gun
Park Ye-jin
as Manager Hong Ji Yoon
Hwang Bo-ra
as Yoo Nan Hee
Jeon Kuk-hwan
as Choi Young Dal
Lee Mi-do
as Son Woo Young
Kim Ye-joon
as Choi Dae Han (Young)
Choi Sung-hee
as G-cup woman
Lee Sang-yeob
Director
Choi Yun-jeong
Writer
