Composer
Director
Screenwriter
Main Role
- Kim Sang KyungYoon Hyun JongMain Role
- Oh Na RaRa Young JaMain Role
- Tang Jun SangYoon Hae KangMain Role
- Son Sang YeonBang Yoon DamMain Role
- Choi Hyun WookNa Woo ChanMain Role
- Kim Kang HoonLee Yong TaeMain Role
- Kim Min KiJung In SolMain Role
- Lee Jae InHan Se YoonMain Role
- Lee Ji WonLee Han SolMain Role
Support Role
- Ahn Se BinYoon Hae In [Hae Kang's sister]Support Role
- Woo HyunHong Yi Jang [Village head]Support Role
- Cha Mi KyungKi Jeom DukSupport Role
- Shin Chul Jin[Ki Jeom Duk's husband]Support Role
- Shin Jung KeunHead Coach BaeSupport Role
- Kim Gi Cheon[Haenam Seo Middle school principal]Support Role
- Park Hyo JooShin Phil JaSupport Role
- Jung Min SungKim Tae Ho [Phil Ja's husband]Support Role
- Ahn Nae SangCoach Fang [National team coach]Support Role
- Baek Ji WonShin Song HeeSupport Role
- Lee Soon Bok[Shin Song Hee's mother]Support Role
- Ahn Sang WooNoh San WooSupport Role
- Yoon Hyun SooPark ChanSupport Role
- Jung Taek HyunOh Jae SeokSupport Role
- Park Yoon YoungLee Na RaSupport Role
- Noh Yi HanLee Eun HoSupport Role
- Kim Dan YoolKim Dong HyunSupport Role
- Choi Dae HoonReporter Kim [Sports reporter]Support Role
- Jung Dong HwanPark Jin SukSupport Role
- Bae Eun Young Support Role
- Park Sun Joo[Haenam Jeil Girls' Middle School badminton team member]Support Role
Guest Role
- Park Ho SanPark Seon Bae [Hyeon Jong's friend] (Ep. 1)Guest Role
- Jang Dae WoongLee Him Chan (Ep. 1)Guest Role
- Park Mi Na[Badminton player] (Ep. 1)Guest Role
- Kang Chan Yang[Umpire] (Ep. 1)Guest Role
- Jung Dong GyuMr. Kim (Ep. 1, 7)Guest Role
- Kim Tae YulYoon Hae Kang [Young] (Ep. 1, 3-4)Guest Role
- Jung Tae In[Grandma Ome's daughter-in-law] (Ep. 1, 6)Guest Role
- Park Geon Rak[Grandma Ome's son] (Ep. 1, 5-6)Guest Role
- Yoon Bong Gil[Baseball club coach] (Ep. 1, 3, 7)Guest Role
- Han Yi Jin[Baseball club staff] (Ep. 1, 7)Guest Role
- Kim Won Shik[Yong Tae's father] (Ep. 1, 6, 15)Guest Role
- Kim Tae Hyang[Yoon Dam's father] (Ep. 1-3, 5-6, 15)Guest Role
- Park Ok Chool[Yoon Dam's mother] (Ep. 1-3, 5-6, 15)Guest Role
- Jang Eui DonBaek Jong Uk [Coach] (Ep. 2)Guest Role
- Son Sang Bin[Boxer] (Ep. 2)Guest Role
- Kim Min Seok[Kind college student] (Ep. 2)Guest Role
- Kim Deok Ju[Grandma Ome's sister] (Ep. 2)Guest Role
- Kim Kyung Il[Teacher] (Ep. 2, 4, 10)Guest Role
- Jo Jae Ryong[Restaurant owner] (Ep. 2, 11-12)Guest Role
- Song Seung HwanLee Seung Heon (Ep. 2, 7-8, 14, 16)Guest Role
- So A Rin[National team player] (Ep. 2-3, 7-9, 13-16)Guest Role
- Yoon Hae Joo[Bakery customer] (Ep. 3)Guest Role
- Shin Rin AhHan Se Yoon [Young] (Ep. 3-4)Guest Role
- Lee Hyun Seo[Se Yoon's mother] (Ep. 3, 14)Guest Role
- Jo Ryeon[Woo Chan's mother] (Ep. 3-4, 16)Guest Role
- Im Chul Hyung[Woo Chan's father] (Ep. 3-4, 8, 16)Guest Role
- Jung Hyun SeokCoach Oh [National Youth Team] (Ep. 3, 5, 9, 14, 16)Guest Role
- Jo A YoungCho A Yeong [National Youth Team Coach] (Ep. 3, 5, 9, 13-14, 16)Guest Role
- Yun Seo Jeong[Administrative staff] (Ep. 4)Guest Role
- Lee Se RangLee Kyung In [Head Coach] (Ep. 4)Guest Role
- Oh Ja HunNa Woo Chan [Young] (Ep. 4)Guest Role
- Ahn Soo Ho[Restaurant owner] (Ep. 4)Guest Role
- Lee Jae Eun[Hanmaeum motel clerk] (Ep. 4)Guest Role
- Yoon Sung Won[Hanmaeum motel owner] (Ep. 4)Guest Role
- Shin Ki Won[Coach] (Ep. 4)Guest Role
- Seo Eun Seo(Ep. 4)Guest Role
- Son Seung TaekLee Suk Joong [Association Secretary] (Ep. 4, 7)Guest Role
- Hong Seo JoonJung Byung Hwi [Councilman / In Sol's father] (Ep. 4, 6, 10-12, 16)Guest Role
- Yoon Young KeolMr. Dong [Village head] (Ep. 5)Guest Role
- Lee Joon HyukYoo Jin Ho [Gwangju Construction site] (Ep. 6)Guest Role
- Kim Sung CheolPark Jun Yeong [Gwangju Construction site] (Ep. 6)Guest Role
- Park Hae SooLee Jae Joon [Coach / Hyun Jong's childhood friend] (Ep. 6)Guest Role
- Park Sang WonLee Jae Joon [Young] (Ep. 6)Guest Role
- Lee Seung WooYoon Hyun Jong [Young] (Ep. 6)Guest Role
- Han Chang Heon[Hyun Jong's senior] (Ep. 6)Guest Role
- Noh Sung Eun[Hyun Jong's senior] (Ep. 6)Guest Role
- Kwon Dong Ho[Hyun Jong's coach] (Ep. 6)Guest Role
- Song Yo Sep[Kyonggi University senior faculty] (Ep. 6)Guest Role
- Joo Ye Rin[College coach] (Ep. 6)Guest Role
- Ji Sung Geun[Construction worker] (Ep. 6)Guest Role
- Kang Hak Soo[Construction worker] (Ep. 6)Guest Role
- Han Hye JiChoi Yoo Rim [Reporter] (Ep. 7)Guest Role
- Ha Min[Committee member] (Ep. 7)Guest Role
- Seo Do Jin[Urban man] (Ep. 7-8)Guest Role
- Jo Jae YoonKim Jun Seok [Urban man] (Ep. 7-8, 14-16)Guest Role
- Ki Eun SeLee Yoo Ri [Coach / Yung Ja's rival] (Ep. 7-10, 13-16)Guest Role
- Kim Sa Hun[Umpire] (Ep. 8)Guest Role
- Oh Kyu Taek[Spectator] (Ep. 8)Guest Role
- Kim Han Joon[National team coach] (Ep. 8)Guest Role
- Jeon Min Hyup[Umpire] (Ep. 9)Guest Role
- Kim Oh Bok[Umpire] (Ep. 9)Guest Role
- Lee Si Eon[Beach passerby] (Ep. 9)Guest Role
- Jung Ki Sun[Gym security guard] (Ep. 9)Guest Role
- Kwon Hyeok Pung[Former national team coach] (Ep. 9-10)Guest Role
- Baek Seung Hyun[Former national team player] (Ep. 9-10)Guest Role
- Park Sung GeunJung Ji Sung [Doctor] (Ep. 10)Guest Role
- Im Yu Ran[Tent bar owner] (Ep. 10)Guest Role
- Heo Sung TaeCoach Chun (Ep. 10-12)Guest Role
- Moon Hak JinKim Ki Hyun (Ep. 11)Guest Role
- Kim Seo Ha[Bang Yoon Dam’s brother]Guest Role
- Chris Chan[Game Umpire | Spectator]Guest Role
- Lee Yun Ji Guest Role
- Kwon I Su[Han Se Yoon's senior]Guest Role
- Kim Da Yun[Haenam Jeil Girls' Middle School badminton team member]Guest Role
- Ahn Se Eun[Subway student] (Ep. 2)Guest Role
- Han Sa Myung[Drunk coach] (Ep. 11)Guest Role
- Kim GunGil Seon GyoonGuest Role
- Shin Ye Seo[Haenam Jeil Girls' Middle School badminton team member]Guest Role
- Shin Ui Jung[Coach] (Ep. 6)Guest Role
- Lee Ju Young[Student] (Ep. 16)Guest Role
- Lim Hyo Jin[Him Chan's father] (Ep. 1)Guest Role
- Kang Chung Hun[Coach] (Ep. 4)Guest Role
- Bo Ra Na[Badminton pupil] (Ep. 1)Guest Role
- Kim Ki Bum[Badminton player] (Ep. 15)Guest Role
- Kang Du Hyun[Hae Kang's classmate] (Ep. 4)Guest Role
- Han Ho Yong[Umpire] (Ep. 3, 8)Guest Role
- Noh Jung Hwan[Junior staff] (Ep. )Guest Role
- Lee Na Ra[Art gallery woman] (Ep. 11)Guest Role
- Lee Jung HunJeong Jae SungGuest Role
- Park Da On[Grandma Ome's grandson]Guest Role
- Park Jun Hyuk[Player] (Ep. 3)Guest Role
- JonathanJonathan [Fanboy] (Ep. 1)Guest Role
- Kim Yoon SeolJeong Ji YeonGuest Role
- Kim Dong Yong[Japanese team coach] (Ep. 9)Guest Role
- Lee Dong Hyeon[Boxer's friend] (Ep. 2)Guest Role
- Gu Bon Seok[Coach] (Ep. 13)Guest Role
- Jo Kyung JaeBadminton team student (Ep. 6)Guest Role
- Jang Woo Jun[Coach Lee's player] (Ep. 6Guest Role
- Park Tae In Guest Role
- Hwang Sun Young[Eun Ho's mother] (Ep. 12)Guest Role
- Park Tae Yun[Student] (Ep. 16)Guest Role
- Jang Young Hyun[Coach Bae's former student / Coach] (Ep. 11)Guest Role
- Jo Deok Hee[Coach Bae's former student] (Ep. 11)Guest Role
- Kim Young Joo[Coach Bae's former student / Coach] (Ep. 11)Guest Role
- Woo Ki Hong[Kim Tae Ho's coworker] (Ep. 11)Guest Role
- Jun Joon Woo[Kim Tae Ho's coworker] (Ep. 11)Guest Role
- Lee Jae WookMr. Han (Ep. 12)Guest Role
- Jeong Hee TaeHong Jung Hyun [Yi Jang's brother] (Ep. 12-15)Guest Role
- Jeon Young[Song Hee's sister] (Ep. 12)Guest Role
- Bae Gi Beom[Song Hee's relative] (Ep. 12)Guest Role
- Lee Ja Ryoung[Song Hee's relative] (Ep. 12)Guest Role
- Uhm Tae Ok[Coach Chun's alumni] (Ep. 12)Guest Role
- Kang Seung YoonKang Tae Sun (Ep. 12-16)Guest Role
- Park Bin[Coach] (Ep. 13)Guest Role
- Hwang Tae Kwang[Seoul Joongang High School coach] (Ep. 13)Guest Role
- Lee Suk HyeongGyeong Min (Ep. 13-15)Guest Role
- Kim Jung YoungSun Young [Head coach Bae's wife] (Ep. 13-16)Guest Role
- Park Jin Soo(Ep. 14)Guest Role
- Seo Dong WonDong Hui (Ep. 14-15)Guest Role
- Nam Jung Woo[Coach] (Ep. 14-15)Guest Role
- Lee Yong Dae[Himself] (Ep. 15)Guest Role
- Seo Han GyeolWon Yoon Jong (Ep. 15)Guest Role
- Bae Jin Yeon[Badminton player] (Ep. 15)Guest Role
- Kwon Yu RiIm Seo Hyun (Ep. 16)Guest Role
- Lee Kyu HyungPark Jung Hwan (Ep. 16)Guest Role
- Kim Ji YoungAh Yeong (Ep. 16)Guest Role
- Lee Young Eun[Nerd]( Ep. 16)Guest Role
- Hong Ye Ji[Badminton association staff] (Ep. 16)Guest Role
- Kim Seul GiPD Jang (Ep. 16)Guest Role
- Jo Jung Shik[News announcer] (Ep. 16)Guest Role
- Noreen Joyce Guerra[Airport staff | Badminton player]Guest Role
- Lee Min Jae[National Junior Athlete] (Ep. 7)Guest Role
Bit part
- Hwang Yun Je[Badminton association staff] (Ep. 16)Bit part
Unknown
- Hwang Dong Ha[Coach]Unknown
- Kim Young Hee Unknown
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