Pemeran Doona!

Bae Suzy (배수지)

as Lee Du Na

Pemeran Utama

Yang Se Jong (양세종)

as Lee Won Jun

Pemeran Utama

Ha Young (하영)

as Kim Jin Ju

Pemeran Pembantu

Park Se Wan

as Choi I Ra

Pemeran Pembantu

Ju Yeon U

as Kook Su Jin [National noodles hall president]

Pemeran Pembantu

Baek Ji Hye

as Lee Eun Ju

Pemeran Pembantu

Lee Chan Hyeong

as Ji Se Hun

Pemeran Pembantu

Kim Yoon Seol

as [Bus stop student] (Ep. 1)

Bintang Tamu

Lee Joong Yul

as [Apt security guard] (Ep. 1)

Bintang Tamu

Jin Tae Yeon

as [Mother hiring tutor] (Ep. 1)

Bintang Tamu

Simeez

as Ye Ji [Dream Sweet member] (Ep. 1-2, 6, 8)

Bintang Tamu

Janet Suhh

as Ji Su [Dream Sweet member] (Ep. 1-2, 6, 8)

Bintang Tamu

Choi Ri An

as Bit Na [Dream Sweet member] (1-2, 6, 8)

Bintang Tamu

Go Ah Sung (고아성)

as Ha Yeon [Dream Sweet member] (Ep. 1-2, 6-8)

Bintang Tamu

Bang Min Sun

as [MSA Entertainment staff] (Ep. 2)

Bintang Tamu

Ma Jung Pil

as [Café owner] (Ep. 2, 6)

Bintang Tamu

Lee Jin Wook (이진욱)

as Park In Uk [Du Na’s manager] (Ep. 2, 6-9)

Bintang Tamu

Kim Yoo Mi

as President Ma (Ep. 2, 8)

Bintang Tamu

Kim Hyun Mok

as [Stalker] (Ep. 3)

Bintang Tamu

Lee So Yoon

as Choi I Ra [Child] (Ep. 4)

Bintang Tamu

Lee Woo Joo

as Lee Won Jun [Teen] (Ep. 4)

Bintang Tamu

Jung Min Joon

as Lee Won Jun [Child] (Ep. 4)

Bintang Tamu

Lee Joo Yeon

as Choi I Ra [Teen] (Ep. 4)

Bintang Tamu

Lee Na Ra

as [Laboring woman] (Ep. 4)

Bintang Tamu

Go Ae Ri

as [Laboring woman] (Ep. 4)

Bintang Tamu

Do Won

as [Nightclub man] (Ep. 5)

Bintang Tamu

An Tae Rin

as Lee Du Na [Child] (Ep. 6)

Bintang Tamu

Lim Seung Soo

as [Jiu-jitsu boy] (Ep. 6)

Bintang Tamu

Jeon Seok Ho

as (Ep. 8)

Bintang Tamu

Takeda Tetsuro

as (Ep. 9)

Bintang Tamu

Kwon Han Sol

as Song Tae Rim

Bintang Tamu

Kim Ah Song

as Lee Du Na [Teen]

Bintang Tamu

Eun Na Young

as Kim San Ho

Bintang Tamu

Kang Yun Sun

Cinematography

Lee Jeong Hyo

Sutradara

Min Song A

Original Creator

Jang Yoo Ha

Screenwriter