김시은

So-hee

배두나

Yoo-jin

정회린

Jun-hee

강현오

Tae-joon

박우영

Dong-ho

이인영

Eun-ah

박희은

So-hee's Mother

김용준

So-hee's Father

심희섭

Former Team Manager

윤가이

Ji-won

정수하

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

박윤희

Director

최희진

Newcomer Team Manager

유정호

Head Manager

문정웅

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

김태윤

Headquarters Staff 2

유재원

Call Center Colleague Yoo-jeong

김희원

Call Center Colleague Seon-ae

박서경

Call Center Colleague Park Seul-ki

김우겸

Detective Bae