A Good Day to Be a Dog

Cast
Park Gyu-young
Han Hae-na
Cha Eun-woo
Jin Seo-won
Kim Yi-kyeong
Min Ji-a
Song Young-ah
Cheon Song-yi
Lee Hyun-woo
Lee Bo-gyeom
Yoon Hyun-soo
Choi Yul
Ryu Abel
Han Yu-na
Cho Jin-se
Song Woo-taek
Lee Seo-el
Yoon Chae-a
Jung Young-ju
Shin Mi-seon
Kim Hong-pyo
Han Pan-dong
Jo Ah-young
Song Da-eun
Kang Soo-bin
Kwon Ri-ae
Kim Min-ji
Chu So-yeon
Shin Jun-hang
Jo Jun-seo
Yoo Seung-mok
Vice Principal
Kim Min-seok
Kang Eun-hwan
Kim Hae-jun
Uncle Dong-chul
Lee Seung-joon
Oh Sang-soo
Park Hae-in
Seo Yoon-ji
Lee Jong-wook
Bong Min-sik
Lim Yong-soon
Teacher
Lee Hwa-sun
Teacher
Baek Hyo-won
Student
Kim Esther
Student
Jeong Ho-gyoon
Student
Sin Ha-jun
Teacher
Kim Yoon-soo
Student
Shim Wan-jun
PE Teacher
Kim Ha-eon
Jin Seo-won (Young)
Ko Kyoung-hee
Teacher
Ahn Jin-hee
Teacher
Kong Yi-yeon
Student
Kim Won-hun
Youtuber "Tough Guy"
Im Hyun-joo
Doo-na
Hwang Ye-won
Han Hae-na (Young)
Kim Tae-yeon
Han Yu-na (Young)
Kim Te-yi
Song Woo-taek (Young)
Kang Yoon
Jun-woo
Jeong Bin
Hae-na's Friend
Son Jung-hoon
Student
Heo Tae-an
Student
Sung Yoo-na
Student
Jung Da-you
Student
Eun Yoo
Student
Kim Soo-ro
Taxi Driver
Han Hyeon-jun
Do Jae-min
Hyeon Jin
Do Jae-min's Mother
Moon Min-chul
Seo Chang-soo
Lee Seob-geon
Min Gyeong-seok
Jung Ja-Young
Police Officer
Shin Hee-cheol
Lingerie Buyer Couple Man
Lee Hye-Eun
Lingerie Buyer Couple Woman
Jung Yu-rie
Shop Clerk
Kim Chan-mi
Teacher
Kim Yong-oh
Teacher
Kang Hyun-mo
Teacher
Jang Yong-bok
Wedding Officiant
Gim Dong-in
Newlywed Parent
Lee Jae-yi
Han Jae-hee