Cinematography
Director
Producing Director
Screenwriter
Main Role
- Go A RaSung Na JungMain Role
- Jung Woo Main Role
- Yoo Yeon Seok Main Role
Support Role
- Kim Sung KyunSham Chun Po / Samcheonpo citySupport Role
- Cha Sun WooBing Geu Re / "Smiley"Support Role
- Min Do HeeJo Yoon JinSupport Role
- Lee Il HwaLee Il Hwa [Na Jung's mother]Support Role
- Son Ho JunHae Tae / Haitai TigersSupport Role
- Sung Dong IlSung Dong Il [Najung's father]Support Role
- Yoon Jong HoonKim Gi TaeSupport Role
- Jung Se Hyung[Senior resident]Support Role
- Lee Mi So[Baseball Team Manager]Support Role
- Go Dong Eob[Geu Re's father]Support Role
Guest Role
- Woo Ji WonWoo Ji Won [Yonsei University Basketball Player] (Ep. 1)Guest Role
- Lee Ju A[Kim Hoon's fan] (Ep. 1)Guest Role
- Jung Taek HyunSung Tae Hoon (Ep. 2)Guest Role
- Bae Woo HeeHa Hee Ra [Blind date] (Ep. 2)Guest Role
- Kim Min YoungLee Soon Ja [Blind date] (Ep. 2)Guest Role
- Na Young Seok[Himself] (Ep. 2)Guest Role
- Hong Seok Cheon[ROTC cadet] (Ep. 2)Guest Role
- Kim Jung MinKim Jung Min [Singer] (Ep. 5)Guest Role
- Lee Joo YeonLee Joo Yeon [Med school fellow] (Ep. 5)Guest Role
- Lee Hyun KyungLee Soo Jung [Patient with two kids] (Ep. 5)Guest Role
- Kim Jong Min[Doctor] (Ep. 5)Guest Role
- Kim Kwang Gyu[Med school professor] (Ep. 5)Guest Role
- NC.A[Sung Joon's girlfriend] (Ep. 6)Guest Role
- Park Kyung Ri[Na Jung's friend] (Ep. 7)Guest Role
- Park Min Ha[Na Jung's friend] (Ep. 7)Guest Role
- Euaerin[Na Jung's friend] (Ep. 7)Guest Role
- Lee Yoo Joon[Sseureki's friend] (Ep. 7)Guest Role
- Ji Seung Hyun[Sseureki's friend] (Ep. 7)Guest Role
- Lee Kyung ShilHerself [Dong Il's first love] (Ep. 8)Guest Role
- Jung Sung Ho[Songwriter] (Ep. 9)Guest Role
- Lee Yong Jin[Songwriter's junior] (Ep. 9)Guest Role
- Yun Joon SukKim Dong Woo [Bing Geu Re's brother] (Ep 9, 12, 14)Guest Role
- Ji Dae HanDong Jae (Ep. 10)Guest Role
- Choi Deok Moon[Cheon Po's father] (Ep. 10)Guest Role
- Lee Jung Eun[Cheon Po's mother] (Ep. 10)Guest Role
- Jo Yang Ja[Chun Po's grandmother](Ep. 10)Guest Role
- Heo Sung Tae[Aide of Samcheonpo mayor] (Ep. 10)Guest Role
- Kim Han Jong[Drunkard in Samcheonpo] (Ep. 10)Guest Role
- Seo Eun Chae[Najeong club senior] (Ep. 11)Guest Role
- Kim Si Woon"Joan of Arc" [Hai Tai's senior at karaoke club] (Ep.11)Guest Role
- Seo Yoo RiJoo Kyung (Ep. 12)Guest Role
- Kim Byung ChunJung Man Ho (Ep. 12)Guest Role
- Jo Jae YoonKim Jae Young (Ep. 12)Guest Role
- Kim Young Sun[Sseureki's mom] (Ep. 12)Guest Role
- Kim Won Hae[Sseureki's father] (Ep. 12, 19, 21)Guest Role
- Kim Min Jong[Himself] (Ep. 13)Guest Role
- Kim Seul Gi[Trash's cousin] (Ep. 14-15)Guest Role
- Joo Se Bin[Yoon Jin's friend] (Ep. 14)Guest Role
- Shin So YoolMo Yoo Jung (Ep. 16)Guest Role
- Lee Ho WonKang Jun Hee (Ep. 16)Guest Role
- Lee Si EonBang Sung Jae (Ep. 16)Guest Role
- Jung Eun JiSung Shi Won (Ep. 16-17, 21)Guest Role
- Seo In GukYoon Yoon Jae (Ep. 16-17, 21)Guest Role
- Eun Ji WonDo Hak Chan (Ep. 17)Guest Role
- Yoon Jin Ha[Sham Chun Po's senior] (Ep. 17)Guest Role
- Jun Hyun Moo[Karaoke singer] (Ep. 18)Guest Role
- Yoon Min Soo[Married karaoke singer] (Ep. 18)Guest Role
- Go Woo Ri[Uhm Jung Hwa look-alike] (Ep. 18)Guest Role
- Kim Jae Kyung[Jun Ji Hyun look-alike] (Ep. 18)Guest Role
- Jung Yu Mi[Girl bumped into Chilbong] (Ep. 21)Guest Role
- Song Min JiMin JungGuest Role
- Jo Yoon SeoCha Ae JungGuest Role
- Ha Soo HoChoi Gil HongGuest Role
- Yoon Jin YiJin Yi / Die DieGuest Role
- Shin Soo YunNa Jeong [Young]Guest Role
- Choi Jong HoonSergeant Choi Jong HoonGuest Role
- Yook Sung JaeSung Joon [Na Jung's brother in 2013]Guest Role
- Han Geu Rim[Pedestrian]Guest Role
- Kim Joong KiMichael [Trash's friend]Guest Role
- Oh Jin Ha[KFC employee]Guest Role
- Yang Jae Young[Sseureki's friend] (Ep. 7)Guest Role
- Joel Lee[Trash's eldest son]Guest Role
- Seo Kwang Jae[Medical Professor]Guest Role
- Lee Bong Ryun[Na Jung's classmate]Guest Role
- Yoon Jin Young[Jae Hak's secretary]Guest Role
- Tae Hang Ho[Senior in premed course]Guest Role
- In Sung Ho[Chilbong's baseball coach]Guest Role
- Kim Yoon Joo[Sseureki / Trash's university alumni]Guest Role
- Lee Jung Sung[Professor of Computer Engineering]Guest Role
- Jang Joo Yeon[Computer science teaching assistant]Guest Role
- Ban Hye Ra[Na Jung's wedding guest]Guest Role
- Min Joon Hyun[Samcheonpo's workplace superior]Guest Role
- DohaSseu Re Ki / "Trash" [Young]Guest Role
- Jung Ji Hoon Guest Role
- Yang Sang Guk Guest Role
- Lee Se Wook Guest Role
- Lee Tae Hyung Guest Role
- Seon Ah Rin Guest Role
- Kim Joong Don Guest Role
Unknown
- Lee Jung Min Unknown
- Yeon Joon Unknown
- Jun Jung Kwan Unknown
- Cheon Young Min Unknown
- Jeong Seo Yeon Unknown
- Cha U Yeong Unknown
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