완득이

유아인

Do Wan-deuk

Юнсок Ким

Lee Dong-joo

박수영

Wan-deuk's Father

Lee Jasmine

Wan-deuk's Mother

김영재

Nam Min-gu

Ан Кил Ган

Coach

Пак Хё Джу

Lee Ho-jeong

강별

Jeong Yun-ha

김동영

Hyeok-Ju

Чо Док Чже

Director of Students

성유빈

Young Wan-deuk

Ким Сан Хо

Annoyed Neighbor

Sudip Banerjee

Hassan

조상건

Dong-joo's Father

Kim Jong-man

Waiter