Full cast of Doona!

Suzy

Lee Doona

9 episodes

Yang Se-jong

Lee Won-jun

9 episodes

Ahn Ha-young

Kim Jin-ju

9 episodes

Park Se-wan

Choi I-ra

9 episodes

Kim Do-wan

Gu Jeong-hoon

9 episodes

Kim Min-ho

Seo Yun-taek

9 episodes

Joo Yeon-woo

Guk Su-jin

9 episodes

Baek Ji-hye

Lee Eun-ju

9 episodes

Lee Chan-hyeong

Ji Se-hun

9 episodes

Ha Seon-jae

Cha Seong-kuk

9 episodes

Ko A-sung

Ha-yeon

5 episodes

Lee Jin-uk

Park In-wook

5 episodes

Rian

Bit-na

4 episodes

Simeez

Ye-ji

4 episodes

Janet Suhh

Ji-soo

4 episodes

Kim Yu-mi

President Ma

2 episodes

Ma Jeong-pil

Cafe owner

2 episodes

Aancod Abe Zaccarelli

Dos Santos

2 episodes

Kim Yoon-seol

Bus stop student

1 episode

Lee Jung-yeol

Security guard

1 episode

Jin Tae-yeon

Mother hiring tutor

1 episode

Kim Hyeon-mok

Stalker

1 episode

Lee So-yoon

Choe I-ra (child)

1 episode

Lee Woo-joo

Lee Won-jun (teen)

1 episode

Jeong Min-jun

Lee Won-jun (child)

1 episode

Lee Na-ra

Laboring woman (Eps 4)

1 episode

Go Ae-ri

Laboring woman

1 episode

Do Ye-joon

Yun-taek's friend

1 episode

Do Won

Nightclub man

1 episode

An Tae-rin

Lee Doona (child)

1 episode

Kang Myeong-ju

Song Sun-ae

1 episode

Seo Eun-sol

Lee Won-young

1 episode

Son Sang-gyu

Won-jun's senior

1 episode

Kim Sun-young

Doona's mom

1 episode

Lim Seung-soo

Jiu-jitsu boy

1 episode