Yum Jung-ah as Sun-hee

Moon Jeong-hee as Hye-mi

Kim Yeong-ae as Soon-rye

Kim Kang-woo as Dong-joon

Hwang Jeong-min as Ok-soon

Chun Woo-hee as Mi-jin

Doh Kyung-soo as Tae-young

Lee Seung-joon as Section Chief Choi

Ji Woo as Soo-kyung

Park Soo-young as Store Manager

Song Ji-in as Ye-rin

Kim Su-an as Min-young

Park Mi-hyun as Gyeong-jun's Mother

Kil Hae-yeon as Customer

Kim Hee-won as Convenience Store Manager

Yoon Sang-hoon as Legal Staff

Hwang Jae-won as Min-soo

Kim Joong-ki as Police Station Detention Room Detective

Na Soo-yoon as Customer in Check-out Line

Kil Hae-yeon as Hissy Fit Customer

Lee Jung-eun as Cashier 1

Jo Eun-a as Cashier 2

Park Seong-yeon as Cashier 3

Lee Sun-ju as Cashier 4

Shin Hyun-sil as Cashier 5

Kim Hyun as Cashier 6

Lee Ja-ryeong as Cashier 7

Jo Hyeon-im as Cashier 8

Shin Mi-yeong as Cashier 9

Kim Keum-soon as Cashier 10

Lee Sun-hee as Cashier 11

Kim Bi-bi as Cashier 12

Yang Shin-ji as Cashier 13

Jang Liu as Cashier 14

Lee Ji-hye as Cashier 15

Park Ji-yeon as Cashier 16

Kim Ga-young as Cashier 17

Oh Min-jeong as Cashier 18

Lee Chang-hoon as Full-time Employee

Seo Ji-won as Full-time Employee

Kyung Sung-hwan as Full-time Employee

Choi Byung-yoon as Replacement Part-time Worker 1

Lee Hwi-jong as Replacement Part-time Worker 2

Mok Gyu-ri as Replacement Part-time Worker 3

Kim Dae-heung as Nasty Customer's Son

Kim Seung-tae as Head Office Executive

Kim Choo-wol as Cleaner

Kim Sun-hoa as Homeroom Teacher

Lee Yo-sung as Police Officer