Chief Producer
Director
Screenwriter
Main Role
- Kang So Ra Main Role
- Yoo Yeon Seok Main Role
Support Role
- Kim Sung OhHwang Wook [Jeju's mayor]Support Role
- Seo Yi AhnMok Ji WonSupport Role
- Jung Jin YoungJung Pung SanSupport Role
- Lee Han WiKong Jeong BaeSupport Role
- Kim Hee JungKim Hae Sil [Female diver]Support Role
- Ok Go WoonCha Hee Ra [Geon Woo's sister]Support Role
- Na Seung Ho[Worker at the mayor's office]Support Role
- Lee Sung JaeSong Jung Geun [Geon Woo's brother]Support Role
- Kim Mi JinBoo Mi Ra [Blogger]Support Role
- Gu Bon ImGo Yoo Ja [Female diver]Support Role
- Choi Sung MinPark Dong SooSupport Role
- Choi Hyo SangDirector KimSupport Role
- Lee Sang HyunAssistant JangSupport Role
- Lee Yong YiNo Bok NyeoSupport Role
- Kim Hyun SookOh Jung HyeSupport Role
Guest Role
- Kim Kwang GyuMr. Choi (Ep. 1)Guest Role
- So Ji Sub[Cafe shop owner] (Ep. 1)Guest Role
- Lee Joong MoonHong Gap [Lee Jung Joo's boyfriend] (Ep. 1)Guest Role
- Lee Hwi HyangBaek So Yong [Geon Woo's mother] (Ep. 1)Guest Role
- Shim Jin Hwa[Woman of newlywed couple] (Ep. 1)Guest Role
- Kim Won Hyo[Man of newlywed couple] (Ep. 1)Guest Role
- Go Kyung PyoJung Min [Lee Jung Joo's cousin] (Ep. 1-2)Guest Role
- Muzie[Lee Jung Joo's neighbor] (Ep. 1-2)Guest Role
- Ha Shi Eun[Lee Jung Joo's friend] (Ep. 1-2, 15)Guest Role
- Kim Hyo Myung[Employee of PR department] (Ep. 4)Guest Role
- Okyere Sam[Himself - Member of Lady Divers Club] (Ep. 5-7)Guest Role
- Shin Dong Mi[Gallery director] (Ep. 10)Guest Role
- Nam Hyun Joo[Lee Jung Joo's mother] (Ep. 11)Guest Role
- Seo HyunYoo Ra [Hwang Wook's niece] (Ep. 13)Guest Role
- Son Ho JunJoon Hee (Ep. 16)Guest Role
- Song Ok Sook[Lee Jung Joo's aunt]Guest Role
- Sunwoo Jae Duk[Lee Jeong Ju's father]Guest Role
- Choi Jae SungJin Tae Yong [Baek Geon Woo's father]Guest Role
Unknown
- Joo Woo Unknown
- Lee Eun Jeong Unknown
- Lee Ah Jin Unknown
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