Next Sohee

Kim Si-eun

So-hee

Bae Doona

Yoo-jin

Jung Hoe-ryn

Jun-hee

Kang Hyun-oh

Tae-joon

Bahk Woo-young

Dong-ho

Lee In-young

Eun-ah

Park Hui-eun

So-hee's Mother

Kim Yong-jun

So-hee's Father

Sim Hee-seop

Former Team Manager

Yoon Ga-i

Ji-won

Jung Soo-ha

Jung-in / Customer Oh Joo-yeon (voice)

Park Yoon-hee

Director

Choi Hee-jin

Newcomer Team Manager

Yoo Jeong-ho

Head Manager

Moon Jung-woong

Headquarters Staff 1 / Customer Choi Cheol-woong (voice)

Kim Tae-yoon

Headquarters Staff 2

Yoo Jae-won

Call Center Colleague Yoo-jeong

Kim Hee-won

Call Center Colleague Seon-ae