Jung Hae In
Choi Seung Hyo
Main Role
Jung So Min
Bae Seok Ryu
Main Role
Kim Ji Eun
Jung Mo Eum
Main Role
Yun Ji On
Kang Dan Ho
Main Role

Park Ji Young
Na Mi Suk [Seok Ryu's mother]
Support Role
Jo Han Chul
Bae Geun Sik [Seok Ryu's father]
Support Role
Jang Young Nam
Seo Hye Suk [Seung Hyo's mother]
Support Role
Lee Seung Joon
Choi Gyeong Jong [Seung Hyo's father]
Support Role
Jun Suk Ho
Yun Myeong U [Seung Hyo's college senior]
Support Role
Kim Geum Soon
Do Jae Suk [Mo Eum's mother]
Support Role
Han Ye Ju
Bang In Suk
Support Role
Lee Seung Hyub
Bae Dong Jin [Seok Ryu's brother]
Support Role
Shim So Young
Lee Na Yun [Architecture Atelier In’s employee]
Support Role
Shim Ji Yoo
Kang Yeon Du
Support Role

Lee Bong Ryun
Im Kyung Ran (Ep. 1)
Guest Role
Roh Yoon Seo
No Yun Seo (Ep. 1)
Guest Role
Jang Nam Yul
[Injured man] (Ep. 1)
Guest Role
Kang Hae Ri
[Flight attendant] (Ep. 1)
Guest Role
Ko Na Yul
[Bully boy] (Ep. 1-2)
Guest Role
Choi Moon Soo
Min Hui (Ep. 2)
Guest Role
Lee Jung In
Jung Hui (Ep. 2)
Guest Role
Jin Tae Yeon
Soon Hui (Ep. 2)
Guest Role
Lee Mi Yoon
Yeong Hui (Ep. 2)
Guest Role
Kwon Ki Joo
[Bus driver] (Ep. 2)
Guest Role
Jung Hee Young
[Fruits seller] (Ep. 2, 15)
Guest Role
Park Eun Young
[Neighborhood woman] (Ep. 2)
Guest Role
Oh Min Jung
[Neighborhood woman] (Ep. 2)
Guest Role
Park Jeong Min
[Pork restaurant owner] (Ep. 2)
Guest Role
Oh Ji Hye
Yop Jin Ae (Ep. 3)
Guest Role
Yoon Young Min
[Job recruiter] (Ep. 3)
Guest Role
Kim Yong Jin
[YR Group exec.] (Ep. 3)
Guest Role
Ma Jung Pil
[Danyeong exec.] (Ep. 3)
Guest Role
Kwon Ha Young
[Kindergarten teacher] (Ep. 3)
Guest Role
Yoon Hyo Sik
[Swimming team director] (Ep. 3)
Guest Role
Won Seong Yeon
Chris (Ep. 4, 9)
Guest Role
Jung Ji Hyun
[Cashier] (Ep. 4, 8)
Guest Role
Jo Seung Yun
Kwak Se Hwan (Ep. 4, 6)
Guest Role
Byun Jung Hee
[Food prep helper] (Ep. 5)
Guest Role
Nam Min Woo
[Vlogger] (Ep. 5-6)
Guest Role
Kim Hyun Mok
[Vlogger] (Ep. 5-6)
Guest Role
Seo Ji Hye
Jang Tae Hui [Seung Hyo's ex-girlfriend] (Ep. 5-8, 12)
Guest Role
Ahn Hye Won
[Cafe owner] (Ep. 6)
Guest Role
Ji So Young
[Cooking student] (Ep. 6)
Guest Role
Park Bo Bae
[Cooking student] (Ep. 6)
Guest Role
Lim Yoon Bi
[Cooking instructor] (Ep. 6)
Guest Role
Im Yong Soon
[Hired driver’s client] (Ep. 6)
Guest Role
Lee Seung Hee
[Hired driver’s client] (Ep. 6)
Guest Role
Kim Moon Sik
[Dry cleaners’ owner] (Ep. 6)
Guest Role
Kim Moon Ho
[Construction worker] (Ep. 6)
Guest Role
Kim Jae Man
[Construction foreman] (Ep. 6)
Guest Role
Lee Joo Young
[Waitress] (Ep. 7)
Guest Role
Son Deok Ki
[Vice minister's staff] (Ep. 7)
Guest Role
Lee Sung Il
O Su Hwan (Ep. 8, 15)
Guest Role
Lee Gi Seob
[Doctor] (Ep. 8)
Guest Role
Ryu Seong Hwan
[Customer] (Ep. 8)
Guest Role
Min Woo Gi
[Delivery man] (Ep. 8)
Guest Role
Jung Hyun Woo
[Cinema owner] (Ep. 8)
Guest Role
Kim Dae Geun
[Hernated disk man] (Ep. 8)
Guest Role
Hyun Young Kyun
[Maintenance worker] (Ep. 8)
Guest Role
Yoon Kwan Woo
[Repairman] (Ep. 9)
Guest Role
Kim Young Sun
[Plant store owner] (Ep. 9)
Guest Role
Moon Kyung Min
[Project neighbor] (Ep. 9)
Guest Role
Kim Won Seok
Officer Kim (Ep. 11)
Guest Role
Kang Jung Im
[Tent bar owner] (Ep. 11, 14)
Guest Role
Bae Sung Il
[Interviewer] (Ep. 12)
Guest Role
Choi Gyo Shik
Mr. Jo (Ep. 13)
Guest Role
Kim Ha Jin
[Test administrator] (Ep. 13)
Guest Role
Kim Da Hwin
[Chef] (Ep. 13-14)
Guest Role
Jo Young Mi
[Babysitter] (Ep. 14)
Guest Role
Hong Dae Sung
[Sorting center staff] (Ep. 14)
Guest Role
Kim Kyung Min
[Client] (Ep. 15)
Guest Role
Yu Hyung Jun
Ko Seul Gi
Guest Role
Lee Ji Hae
Hwang Yeong In
Guest Role
Kim Se A
Jung Mo Eum [Child]
Guest Role
Oh Eun Seo
Bae Seok Ryu [Young]
Guest Role
Cho Yeo Jun
Choi Seung Hyo [Child]
Guest Role
Han Joon Woo
Song Hyeon Jun [Seok Ryu's ex-fiancé]
Guest Role