Director
Screenwriter
Main Role
-
Seo In Guk Main Role -
Park Ji Hyun Main Role -
Kang Mi Na Main Role -
Choi Kyung Hoon Main Role -
Won Gyu Bin Main Role
Support Role
-
Kim Dong YoungLee Seong Min [Si U's friend]Support Role -
Yoo Sung JooCha Yeong Muk [Ji Yun's father]Support Role -
Lee Ji HyunNam Hye Gyeong [Ji Yun's mother]Support Role -
Ahn So YoLee Hye Ji [Ji Yun's friend]Support Role -
Yoon Jung HoonKim Gu Won [No A's boyfriend]Support Role -
Yeom Seung YiYun Da Ra [No A's older sister]Support Role -
Han Tae HaKoo Seung Jun ['Autumn' band guitarist]Support Role -
Kim Jung YoungHan U Jin [Saeum Electronics DA business division president]Support Role -
Kim Hak SeonNo Jin Cheol [Saeum Electronics DA business division executive director]Support Role -
Park Ye YoungChoi Su Jin [Design team manager]Support Role -
Hong Woo JinKo Yeong Sam [Product Planning team 1 manager]Support Role -
Kang Gi DoongJeon Gi Tae [Product Planning team 2 employee]Support Role -
Heo Jun SeoCha Jun Su [Ji Yun's younger brother]Support Role -
Lee Jae YiSin Na Ri [Marketing team employee]Support Role -
Yang Byeong YeolLee Yeong HunSupport Role
Guest Role
-
Han Chae BinChoi Jeong In [Employee] (Ep. 1)Guest Role -
Bae Hyun Kyung[Employee] (Ep. 1)Guest Role -
Shin Young KyuLee Jong U [Blind date] (Ep. 1)Guest Role -
Choi Young Min[Helicopter pilot] (Ep. 1)Guest Role -
Kim Ki Nam[Factory employee] (Ep. 1)Guest Role -
Shin Jun ChulMr. Kim [Development team manager] (Ep. 1, 3, 7-9, 11-12)Guest Role -
Kim Hyung JooKim Da Jin (Ep. 2)Guest Role -
Choi Hyo JuDa Eun (Ep. 2, 6-7)Guest Role -
Yang U Hyeok[Baseball boy] (Ep. 4)Guest Role -
Yang Ha Yoon[Saeum Electronics employee] (Ep. 4, 6)Guest Role -
Choi Ji Hui[Saeum Electronics employee] (Ep. 4, 6)Guest Role -
Jang I JunKim Gi Seung [Blind date] (Ep. 5)Guest Role -
Lee Ji Ha[Gu Won's mother] (Ep. 5)Guest Role -
Jeon Min Hyup[Security guard] (Ep. 6)Guest Role -
Cha U YeongJeong Su (Ep. 7, 11)Guest Role -
Moon Chang Jun[Employee] (Ep. 7, 11)Guest Role -
Kim Do Ah[No A's friend] (Ep. 9)Guest Role -
Lee Hyun Seo[Ji Yun's neighbor] (Ep. 10)Guest Role -
Lee Ho Young[HR team employee] (Ep. 10)Guest Role -
Jeong Young Do[Electronics store manager] (Ep. 10-11)Guest Role -
Min Sang Chul[Executive] (Ep. 11)Guest Role -
Joo In Ae[Employee] (Ep. 11)Guest Role -
Han Jae HunKim Yeong JinGuest Role -
Kang Min HyukKim Byeong Su [Employee]Guest Role -
Han Da Mi[Employee]Guest Role -
Park Yoon Hee[Si U's father]Guest Role -
Yun Hui Seon[Blind date] (Ep. 5)Guest Role
Cameo
-
Jung Min Chul[Voice] (Ep. 1-2)Cameo -
Nam Gi Ae[Su Jin's mother] (Ep. 8)Cameo -
Bae Yoo RamJung Hyeon U (Ep. 9-10, 12)Cameo -
Park Seo HamSong Min Gyu [New hire] (Ep. 12)Cameo
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