Han Hyo-joo
Yi-soo

Kim Dae-myung
Woo-jin 1

Do Ji-han
Woo-jin 18

Bae Sung-woo
Woo-jin 33

Park Shin-hye
Woo-jin 43

Lee Beom-soo
Woo-jin 45

Park Seo-jun
Woo-jin 60

Kim Sang-ho
Woo-jin 61

Chun Woo-hee
Woo-jin 64

Juri Ueno
Woo-jin 74

Lee Jae-joon
Woo-jin 75

Kim Min-jae
Woo-jin 78

Lee Hyun-woo
Woo-jin 81

Jo Dal-hwan
Woo-jin 82

Lee Jin-uk
Woo-jin 84

Seo Kang-joon
Woo-jin 92

Kim Hie-won
Woo-jin 93

Lee Dong-wook
Woo-jin 100

Ko A-sung
Woo-jin 101

Kim Joo-hyuk
Woo-jin 109

Yoo Yeon-seok
Woo-jin 123

Lee Dong-hwi
Sang-baek

Moon Sook
Woo-jin's Mother

Lee Kyung-young
Woo-jin's Father

Lee Mi-do
Eun-su

Choi Yong-min
Yi-soo's Father

Shin Dong-mi
Yi-soo's Boss

Kim See-eun
Woo-jin's Mother

Gong Min-jeung
Resident Doctor

Kim Mi-hui
Woo-jin 15

Lee Ji-won
Woo-jin 37

Park Keun-rok
Woo-jin 44

Jang Eui-soo
Woo-jin 106

Ko Kyu-phil
Woo-jin 108

Sin Ye-jin
Lounge Girl

Moon Kyung-min
Doctor

Yoon Hwan
Woo-jin 19

Yun Ki-chang
Woo-jin 20

Lee Sang-won
Woo-jin 21

Go Bong-goo
Woo-jin 22

Jeon Young-woon
Woo-jin 26

JJ Graham
Woo-jin 35

Kim Joo-hwang
Woo-jin 49

Jung Young-ki
Woo-jin 72

Jeong Seung-won
Woo-jin 73

Son Seong-chan
Woo-jin 77

Kim Gwang-seop
Woo-jin 86

Bae Hyun-kyung
Woo-jin 87

Shin Na-ra
Woo-jin 95

Lee Bom
Lounge Woman

Ok Joo-ri
Subway Woo-jin's Father

Ham Tae-in
Snack Cart Woo-jin's Father

Ha Si-yeon
Mama Studio Staff

Yeom Ji-young
Mama Regular Customer

Lee Ji-min
Lounge Woman

Lee Myung-ha
Lounge Woman

Son Seul-gi
Glam Sang-baek Woman

Ko Dong-hyoung
Sang-baek's Factory Worker

Lee Jin-seong
Doctor

Lee Seung-chan
Woo-jin 103