Director
Editor
Screenwriter
Screenwriter & Director
Main Role
- Choi Ji Woo Main Role
- Lee Sang Yoon Main Role
- Choi Won Young Main Role
Support Role
- Kim Min JaeKim Min SooSupport Role
- Son Na EunOh Hye MiSupport Role
- Park Hyo JooKim Yi JinSupport Role
- Jung Soo YoungRa Yoon YeongSupport Role
- Kim Kang HyunSeo Dong CheolSupport Role
- Noh Young Hak Support Role
- Choi Yoon SoShin Sang YeSupport Role
- Jin Ki JooPark Seung HyunSupport Role
- Kim Hee ChanCha Hyun Suk [Young]Support Role
- Ha Seung RiHa No Ra [Young]Support Role
- Sung Chan Ho[Doctor]Support Role
- Im Se JuRa Yun Yeong [Young]Support Role
- Cha Bo Sung[Faculty representative]Support Role
- Kim Woo HyeokKyeong SikSupport Role
- Lee Yoo JinLee Dae SeongSupport Role
- Yoon Ra YoungSeol HyeonSupport Role
- Ji Ha YoonMin AeSupport Role
Guest Role
- Joey AlbrightBrad Jones (Ep. 1)Guest Role
- Kwon Hae Hyo(Ep. 1)Guest Role
- Kim Byung ChunProfessor Song (Ep. 3)Guest Role
- Hwang Ye Ji[Backup dancer] (Ep. 8)Guest Role
- Seo Han GyeolLee Man GiGuest Role
- Ban Hyo JungSeo Woon Hae [Ha No Ra's grandma]Guest Role
- Byun Joon SukSe WonGuest Role
- Kang Tae OhKim Woo Chul [Young]Guest Role
- Lee Jae JoonDanGuest Role
- Woo Gi HoonWoo HunGuest Role
- Hwang Se Jung[College student]Guest Role
- Park Dae Won[University student]Guest Role
- Ju Ah Yeon[High school student]Guest Role
Bit part
- Lee Dal Bit part
Unknown
- Kim Tae Yoon Unknown
- Kim Dae Yoon Unknown
- Kim Hyung Joo Unknown
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