Dumped by her boyfriend of 15 years for gaining weight, a lawyer gets help from a hotshot personal trainer to get in shape and turn her life around.
Kim Choo-wol
Ju-eun's client
Kim Jung-tae
Choi Nam-cheol
Jeon Jae-hyeong
Su-jin's blind date
Lee Ji-hoon
Himself
Shin Min-a
Kang Ju-eun
Hong Gi-jun
Police officer
Choi Jin-ho
Mr. Min Byeong-uk
So Ji-sub
Kim Young-ho / John Kim
Jin Kyung
Choi Hye-ran
Kim Jung-pal
Guntu law firm's president
Cho Eun-ji
Lee Hyeon-u
Choi Il-hwa
Director Kim Seong-cheol
Jung Gyu-woon
Im U-sik
Yoo In-young
Oh Su-jin
Choi Sung-hee
Su-jin's gapjil
Ban Hyo-jung
Chairwoman Lee Hong-im
Henry Lau
Kim Ji-ung
Kang Ye-bin
Kim Mi-ji
Kwon Ki-sun
Kwon Ok-bun
Nam Kee-ae
Je Sun-ja
Jung Han-bi
Cha Seon-young
Song Yoo-ha
PD Go
Ko Gun-han
Seo Won
Sung Hoon
Jang Jun-seong
Hong Yun-hwa
Jo Hyeon-jeong
Jung Hye-sung
Jang I-jin
Lee Chae Min
Seo Jin-yeon
Lee Seung-ho
Kim Young-jun
Hong Hwa-ri
Kang Ju-eun (Young)
Jeong Hyun-seok
ER doctor
Kwon Soon-joon
Go Min-jun
Lee Dong-jin
I-jin's manager
Kwak Chang-shin
Ju-eun's stalker
Yun Seo-Jeong
Health teacher
Jo Seung-yeon
Hair stylist
Kim Hyung-suk
Directing | Director
Lee Na-jeong
Kim Seong-yoon
Production | Producer
Kim Eun-ji
Writing | Writer
신용재
Sound | Theme Song Performance