Director
Screenwriter
Main Role
- Jang Ki YongShin Woo YeoMain Role
- Lee Hye RiLee DamMain Role
- Kang Han NaYang Hye SunMain Role
- Kim Do WanDo Jae JinMain Role
- Bae In HyukGye Sun WooMain Role
Support Role
- Park Kyung HyeChoi Soo KyungSupport Role
- Choi Woo SungLee Dan [Lee Dam's brother]Support Role
- Kim Do YeonGye Seo Woo [Sun Woo's sister]Support Role
- Kim Kang MinJung SukSupport Role
- Bang Eun JungJeon Da YoungSupport Role
- Kang Na RooSeo JinSupport Role
- Park Won HoKim Moo GeunSupport Role
- Kim Hyun ChiTae JinSupport Role
- Lee Pung WoonBin Dae Hun [Seogwa University]Support Role
Guest Role
- Kim Hwan[Nightclub guy] (Ep. 1)Guest Role
- Shin Ye On[Gisaeng] (Ep. 1)Guest Role
- Han Ji Yoon[Gisaeng] (Ep. 1)Guest Role
- Oh Ki Hwan[Detective] (Ep. 1)Guest Role
- Kim Hyun Mok[Bus passenger] (Ep. 1, 10)Guest Role
- Yoo Il Han[Guy at the nightclub] (Ep. 1)Guest Role
- Lee Dong Yong[Hardware shop owner] (Ep. 1)Guest Role
- Kim Eung Soo[Woo Yeo's transformation] (Ep. 1)Guest Role
- Han Ji EunHwang Yoo Jin [Publishing company team leader] (Ep. 1, 5-7)Guest Role
- Lee Jin RiKim Ri Ra (Ep. 1, 7)Guest Role
- Lee Se Hee[Gisaeng] (Ep. 1, 10)Guest Role
- Lee Yoon Sang[News program man] (Ep. 2)Guest Role
- Shin Hyun Jin[Sun Woo's ex-girlfriend] (Ep. 2)Guest Role
- Min Dae Shik[Seogwa University professor] (Ep. 4)Guest Role
- Jo Ah JinLee Min Ju (Ep. 4, 7)Guest Role
- Jung So Min[Woo Yeo's first love] (Ep. 5-7)Guest Role
- Jang Sung KyuPark Jae Hyun [Lee Dam's blind date] (Ep. 6)Guest Role
- Oh Hyun Kyung[Lee Dam's mother] (Ep. 6)Guest Role
- Na Seok Min[Detective] (Ep. 7)Guest Role
- Park Sang Yong[Professor] (Ep. 7)Guest Role
- Go Kyung Pyo[Mountain spirit] (Ep. 7, 10-14)Guest Role
- Kang Mi NaChoi Jin Ah [Jae Jin's ex-girlfriend] (Ep. 8, 11)Guest Role
- Park Jin Young[Teaching assistant] (Ep. 9)Guest Role
- Lee Kyu Sung[Mountain spirit transformation] (Ep. 9-10)Guest Role
- Jung Ye Nok[Girl at fortune telling booth] (Ep. 10)Guest Role
- Heo Soo Bin[Seogwa University student] (Ep. 10)Guest Role
- Park Jung Woo[Sun Woo's father] (Ep. 11, 14)Guest Role
- Shim Hyung Tak[Sun Woo's uncle] (Ep. 11-12)Guest Role
- Son Sung YoonSeo Young Joo [Professor] (Ep. 9, 11-14)Guest Role
- Ha Min[Gye Sun Woo's mother] (Ep. 14)Guest Role
- Lee Joon HyukPark Bo Gum [Professor / Woo Yeo's transformation] (Ep. 14)Guest Role
- Park Eun Young[Street vendor] (Ep. 15)Guest Role
- Lee Dong Young[Teaching assistant] (Ep. 15)Guest Role
- Oh Jung Se[Jae Jin's older brother] (Ep. 15)Guest Role
- Cha Sang Mi[Restaurant employee] (Ep. 16)Guest Role
- Lee Joon Young[Purse snatcher] (Ep. 16)Guest Role
- Park Sung Min[Purse snatcher] (Ep. 16)Guest Role
- Lee Joo HaYoung OkGuest Role
- Shin Yeon Soo[Female university student]Guest Role
- Lee Jin Hong[Frightened passerby] (Ep. 5)Guest Role
- Lee Jeong Chan[Dan's friend] (Ep. 3)Guest Role
- Son Da Yeon(Ep. 10)Guest Role
Unknown
- Seo Jung Bin Unknown
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