Composer
Director
Screenwriter
Main Role
- Oh Yeon Seo Main Role
- Ahn Jae HyunLee Kang WooMain Role
- Kim Seul GiKim Mi KyungMain Role
- Kim Tae Hyeong Main Role
- Heo Jung MinPark Hyun SooMain Role
Support Role
- Cha In HaJoo Won Suk [Seo Yeon's brother / Bartender]Support Role
- Min Woo HyukJoo Won Jae [Seo Yeon's older brother]Support Role
- Kim Jae YongJoo Seo Joon [Seo Yeon's brother]Support Role
- Hwang Woo Seul HyeLee Kang Hee [Kang Woo's older sister / Director of Shinhwa Food]Support Role
- Yoon Hae YoungOh Mi Ja / Ms. Oh [Kang Woo's mother]Support Role
- Yoon Da Hoon[Kang Woo's Father / CEO of Shinhwa Food]Support Role
- Kim Young OkChairwoman Han [Kang Woo's grandmother]Support Role
- Jang Yoo SangChoi Ho Dol [Elite university student]Support Role
- Joo Hae EunLee Joo Hee [Student / Athlete]Support Role
- Shin Do HyunBaek Jang Mi [Mysterious Chaebol]Support Role
- Seo Dong WonKim Bang Goo [Fake Psychiatrist] | Kim Dong Goo [Psychiatrist]Support Role
- Shin Ji HoonPark Seok Min [Idol]Support Role
- Lim Hyun TaeHan Jung Ho [Idol trainee]Support Role
- Park Do WookPark Do WookSupport Role
- Lee Do YeonJoo Seo Yeon [Young]Support Role
- Choi Jae HyunHyung WonSupport Role
- Kwon Oh Kyung[Chief Affairs of Shinhwa high school]Support Role
- Park Young Soo[Vice principal of Sinhwa high school]Support Role
Guest Role
- Kang Tae OhJung Tae [Seo Yeon's boyfriend] (Ep. 1, 6)Guest Role
- Lee Do Yup[Seo Yeon's step-father] (Ep. 1, 11, 20-21, 28)Guest Role
- Ok Joo Ri[Restaurant owner] (Ep. 2)Guest Role
- Lee Bo Lim[Woman on blind date] (Ep. 5)Guest Role
- Song Jin Woo[Mi Kyung's blind date] (Ep. 9)Guest Role
- Choi Seung HoonLee Min Hyuk [Young] (Ep. 11, 13)Guest Role
- Jeon Soo Kyung[Baek Jang Mi's mother] (Ep. 12, 15, 19, 32)Guest Role
- Lee Shi Kang[Lee Min Hyuk's friend] (Ep. 13, 16)Guest Role
- Jo Duk Hyun[Min Hyuk's father] (Ep. 16)Guest Role
- Seo Woo JinLee Kang Woo [Young]Guest Role
- Jang Myoung Un[Waiter]Guest Role
- Son Sang Bin[Student]Guest Role
- Park Ji Ho[Car dealer]Guest Role
- Chae Hee Su[Privileged son]Guest Role
- Lee Jung Sic[University student]Guest Role
- Lee Kyoung Yoon[Trainee with Joo Seo Joon]Guest Role
- Seol Won Dae[Trainee with Joo Seo Joon]Guest Role
- Kim Jong Hyeong[Trainee with Joo Seo Joon]Guest Role
- Seo Hye Jin[Company employee for Kang Hee]Guest Role
- Park Mi Sook Guest Role
- Kim Jun Guest Role
- Kim Seung Hye Guest Role
- Bae Yu Ra[Shinhwa middle school alumni]Guest Role
- Moon Joo WonLee Min Hyuk [Young]Guest Role
- Choi Seung Won[Thug]Guest Role
Unknown
- Richard Kim Unknown
- Jun Jung Il Unknown
- Bae Eun Woo Unknown
- Kwon Chan Min Unknown
- Lee Jung Woo Unknown
- Kim Jong Hun Unknown
- Yoo Ji Hoo Unknown
- Ryu Won U Unknown
- Lee Jae In Unknown
- Jang Hee Won Unknown
- Myung Seok Geun Unknown
Bit part
- Jang Young Hyun[Bartender at club]Bit part
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