Our Blooming Youth

Chief Producer

• 
  Lee Ki Hyuk

Composer

• 
  Nam Hye Seung

Director

• 
  Lee Jong Jae

Screenwriter

• 
  Jung Hyun Jung

Main Role

• 
  Park Hyung Sik

  Yi Hwan / Scholar Park

  Main Role
• 
  Jeon So Nee

  Min Jae I / Go Sun Dol

  Main Role
• 
  Pyo Ye Jin

  Jang Ga Ram

  Main Role
• 
  Yoon Jong Seok

  Han Seong On

  Main Role
• 
  Lee Tae Sun

  Kim Myeong Jin

  Main Role
• 
  Heo Won Seo

  Tae Gang | San

  Main Role

Support Role

• 
  Jung Da Eun

  Princess Ha Yeon

  Support Role
• 
  Im Han Bin

  Prince Myeong An [Yi Hwan's half-brother]

  Support Role
• 
  Lee Jong Hyuk

  [King / Yi Hwan's father]

  Support Role
• 
  Hong Soo Hyun

  Gye Bi / Yeon Hui / Jo Su Yeong [King’s wife]

  Support Role
• 
  Cho Seong Ha

  Han Jung Eon [Left state councilor]

  Support Role
• 
  Son Byung Ho

  Kim An Jik [Chief state minister]

  Support Role
• 
  Jung Woong In

  Jo Won Bo [Right state councilor]

  Support Role
• 
  Jo Jae Ryong

  Jo Won O [Court transcriber / cousin of Cho Won Bo]

  Support Role
• 
  Park Seon Woo

  An Il Nam [Minister of General Affairs]

  Support Role
• 
  Lim Il Gyu

  Jo Ong Yun [Minister of Rites]

  Support Role
• 
  Park Jeong Min

  [Chief royal secretary]

  Support Role
• 
  Son Kwang Eop

  [Court official]

  Support Role
• 
  Oh Hee Joon

  Eunuch Kim

  Support Role
• 
  Park Won Ho

  Eunuch Cha

  Support Role
• 
  Choi Dae Chul

  Eunuch So

  Support Role
• 
  Yoon Ye Hee

  Kwon Deok Sim [Court lady]

  Support Role
• 
  Kim Chae Won

  Court Lady Choi

  Support Role
• 
  Kim Tae Hyang

  Yun Seung Beom

  Support Role
• 
  Jung In Gyeom

  Mu Jin [Monk]

  Support Role
• 
  Lee Min Ji

  Bok Sun

  Support Role
• 
  Kim Ki Doo

  Man Deok

  Support Role
• 
  Park Hyo Jun

  Sam Chil [Landlord of Manyeondang]

  Support Role
• 
  Lee Kwan Hoon

  Gap Su

  Support Role
• 
  Song Yong Ho

  Park Han Su

  Support Role
• 
  Jang Jae Kwon

  Jo Han Seo

  Support Role
• 
  Yoon Ga Hyun

  [Kim Myeong Jin's mother]

  Support Role
• 
  Richard Kim

  [Eunuch]

  Support Role
• 
  Jung Shi Woo Support Role
• 
  Choi Ji Won Support Role

Guest Role

• 
  Choi Yi Sun

  [Eunuch] (Ep. 1)

  Guest Role
• 
  Lee Rang Seo

  [Court lady] (Ep. 1)

  Guest Role
• 
  Han Chang Heon

  [Royal bodyguard] (Ep. 1)

  Guest Role
• 
  Do Ye Chan

  [Royal bodyguard] (Ep. 1)

  Guest Role
• 
  Oh Jae Se

  [Royal bodyguard] (Ep. 1)

  Guest Role
• 
  Song In Seop

  [Checkpoint officer] (Ep. 1)

  Guest Role
• 
  Hwang Jung Yoon

  [Checkpoint woman] (Ep. 1)

  Guest Role
• 
  Jeong Young Do

  [Checkpoint man] (Ep. 1)

  Guest Role
• 
  Kim Young Choon

  Jang Chi Su [Ga Ram's cousin] (Ep. 1-2, 7)

  Guest Role
• 
  Jo Ah In

  Min Jae I [Young] (Ep. 1, 4)

  Guest Role
• 
  Kim Mi Ra

  [Jae I's mother] (Ep. 1, 4)

  Guest Role
• 
  Seo Tae Hwa

  Min Ho Seung [Jae I's father] (Ep. 1, 4, 19)

  Guest Role
• 
  Kim Woo Seok

  Sim Yeong (Ep. 1, 6-7, 19)

  Guest Role
• 
  Lee Mi Eun

  Seong On Mo [Han Seong On's mother] (Ep. 1, 9, 19)

  Guest Role
• 
  Ko Na Young

  [Han family's servant] (Ep. 1, 16)

  Guest Role
• 
  Kim Seo Jun

  Yi Hwan [Young] (Ep. 1, 4, 17)

  Guest Role
• 
  Park Si Won

  Han Seong On [Young] (Ep. 1, 4, 17)

  Guest Role
• 
  Yang Jin Seon

  [Rice cake seller] (Ep. 2)

  Guest Role
• 
  Seo Byung Chul

  [Houseware seller] (Ep. 3)

  Guest Role
• 
  Kim Min Che

  [Court lady] (Ep. 3-4)

  Guest Role
• 
  Ju Ah Yeon

  [Court lady] (Ep. 3-4)

  Guest Role
• 
  Lee Jae Woo

  [Royal guard] (Ep. 3-4)

  Guest Role
• 
  Yang Hee Won

  Sim Yeong [Young] (Ep. 4)

  Guest Role
• 
  Kang Jee Seok

  Min Yun Jae [Young] (Ep. 4)

  Guest Role
• 
  Moon Chang Jun

  [Eunuch] (Ep. 4)

  Guest Role
• 
  Yun Seo Jeong

  [Bulletin board woman] (Ep. 4)

  Guest Role
• 
  Jung Ae Hwa

  [Midwife] (Ep. 5)

  Guest Role
• 
  Woo Sung Eun

  [Court lady] (Ep. 5)

  Guest Role
• 
  Lee Ki Bbeum

  [Court lady] (Ep. 5)

  Guest Role
• 
  Uhm Hye Soo

  [Court lady] (Ep. 5)

  Guest Role
• 
  Moon Hak Jin

  [Kim Myeong Jin's brother] (Ep. 5)

  Guest Role
• 
  Kwon Dong Won

  [Kim Myeong Jin's brother] (Ep. 5)

  Guest Role
• 
  Kim Hyeon Tae

  [Family servant] (Ep. 5)

  Guest Role
• 
  Lee Chae Kyung

  Kim Mun Seon [Shaman] (Ep. 5-6)

  Guest Role
• 
  Hong Ru Hyeon

  [Woman in labor] (Ep. 5-6)

  Guest Role
• 
  Kim In Kwon

  [Laboring woman's husband] (Ep. 5-6)

  Guest Role
• 
  Park So Yoon

  [Min Family's servant] (Ep. 6)

  Guest Role
• 
  Kim Wang Do

  [Min Family's servant] (Ep. 6)

  Guest Role
• 
  Kim Min Ki

  [Investigator] (Ep. 6)

  Guest Role
• 
  Heo Sung Woo

  [Victim] (Ep. 6)

  Guest Role
• 
  Park Se Ryeon

  [Office of Shamanism maid] (Ep. 6, 10)

  Guest Role
• 
  In Gyu Sik

  [Officer] (Ep. 7)

  Guest Role
• 
  Han Sang Kyung

  [Prison guard] (Ep. 7)

  Guest Role
• 
  Kim Sung Yong

  [Potpourri seller] (Ep. 8)

  Guest Role
• 
  Kim Sa Hun

  [Polo mach royal guard] (Ep. 8)

  Guest Role
• 
  Oh Hyun Suk

  [Eunuch] (Ep. 8)

  Guest Role
• 
  Kim Kwan Jang

  [Village resident] (Ep. 8)

  Guest Role
• 
  Jang Yeo Bin

  [Minister of Personnel's daughter] (Ep. 8, 10, 13, 15)

  Guest Role
• 
  Shin Hee Gook

  [Officer] (Ep. 9)

  Guest Role
• 
  Song Chang Gyu

  [Beeswax seller] (Ep. 9)

  Guest Role
• 
  In Sung Ho

  [Basket merchant] (Ep. 9)

  Guest Role
• 
  Gi Hwan

  [Jo Won Bo's nephew] (Ep. 9)

  Guest Role
• 
  Jang Soon Mi

  [Woman asking questions] (Ep. 9)

  Guest Role
• 
  Yoon Seok Hyun

  Song Su Cheon (Ep. 9-10, 19-20)

  Guest Role
• 
  Lee Gyu Sub

  [Slave hunter] (Ep. 10-11)

  Guest Role
• 
  Oh Jin Seok

  [Slave hunter] (Ep. 10-11)

  Guest Role
• 
  Han Myung Hwan

  [Slave hunter] (Ep. 10-11)

  Guest Role
• 
  Jun Joon Woo

  Eunuch Kang (Ep. 10-11, 19-20)

  Guest Role
• 
  Min Woo Gi

  [House servant] (Ep. 11)

  Guest Role
• 
  Jun Sung Won

  [Bulletin board man] (Ep. 11)

  Guest Role
• 
  Lee Dong Wook

  [Bulletin board man] (Ep. 11)

  Guest Role
• 
  Son Seung Hun

  [Byeokcheon eunuch] (Ep. 11)

  Guest Role
• 
  Bang Suk Hyun

  [Royal guard] (Ep. 11)

  Guest Role
• 
  Kim Yu Ri

  [Court lady]

  Guest Role
• 
  Yoon Ga On

  Meo Ru (Ep. 11, 13-16, 19)

  Guest Role
• 
  Joo In Ae Guest Role
• 
  Park Han Ul

  [Eunuch] (Ep. 8)

  Guest Role
• 
  Hwang Min Hwan

  [Confucian scholar] (Ep. 12)

  Guest Role
• 
  Kim Sun Yool

  Dal Rae (Ep. 11, 13-16, 19-20)

  Guest Role
• 
  Yoon Da In

  [Byeokcheon court lady] (Ep. 11, 14, 19-20)

  Guest Role
• 
  Kim Doo Eun

  [Minister of Justice Jo's servant] (Ep. 11, 15)

  Guest Role
• 
  Cha Seo Won

  Sungkyunkwan Scholar Jo (Ep. 12)

  Guest Role
• 
  Koo Ja Keon

  [Sungkyunkwan scholar] (Ep. 12)

  Guest Role
• 
  Kim Moon Ho

  [Ministry official] (Ep. 12)

  Guest Role
• 
  Chae Yoon Hee

  [Seller] (Ep. 12)

  Guest Role
• 
  Kim Nam Ho

  [Fabric buyer] (Ep. 13)

  Guest Role
• 
  Jung Han Bin

  O Man Sik (Ep. 13-14)

  Guest Role
• 
  Kim Jong Ho

  [Bracelet seller] (Ep. 13-14)

  Guest Role
• 
  Lee Ha Yul

  Ui Hyeon (Ep. 13, 16)

  Guest Role
• 
  Byun Gun Woo

  [Royal physician] (Ep. 14)

  Guest Role
• 
  Cha Yoo Joo

  [Angry courtesan] (Ep. 14)

  Guest Role
• 
  Chae Yeon Hee

  [Courtesan] (Ep. 14)

  Guest Role
• 
  Moon Ki Young

  [O Man Sik's neighbor] (Ep. 14-15)

  Guest Role
• 
  Jung Ki Sun

  [O Man Sik's neighbor] (Ep. 14-15)

  Guest Role
• 
  Han So Eun

  Han So Eun (Ep. 14-19)

  Guest Role
• 
  Oh Tae Eun

  [Current homeowner] (Ep. 15)

  Guest Role
• 
  Choi Nam Uk

  [Eunuch] (Ep. 15)

  Guest Role
• 
  Kim Joon Hyung

  [Officer] (Ep. 15)

  Guest Role
• 
  Kong Joon Min

  [Fabric shop owner] (Ep. 15)

  Guest Role
• 
  Kwon Ban Suk

  [Commander] (Ep. 16, 18)

  Guest Role
• 
  Kang Gyu Rin

  O Wol (Ep. 16, 19)

  Guest Role
• 
  Ji Jung Yoon

  Dal Rae [Young] (Ep. 16, 19-20)

  Guest Role
• 
  Seo Kwang Jae

  [Royal physician] (Ep. 17-18)

  Guest Role
• 
  Kim Jung Han

  Seok Gap [Dal Rae's dad] (Ep. 19-20)

  Guest Role
• 
  No Eun Ha

  [Dal Rae's mom] (Ep. 19-20)

  Guest Role
• 
  Kim Ye Sung

  Tae Gang [Young] (Ep. 17) | San [Young] (Ep. 20)

  Guest Role
• 
  Kwon Jae Hwan

  [Royal physician] (Ep. 20)

  Guest Role
• 
  Lee Seung Chul

  [Scribe] (Ep. 20)

  Guest Role
• 
  Yoo Joon A

  [Sun's mother] (Ep. 20)

  Guest Role
• 
  Lee Kyung Min

  Min Yun Jae

  Guest Role
• 
  Ahn Hye Won

  Court Lady Han

  Guest Role
• 
  Choi Jae Yoon

  [O Man Sik's son]

  Guest Role
• 
  Ham Jin Sung

  [Army general]

  Guest Role
• 
  Kim Dae Kook

  [Government clerk]

  Guest Role
• 
  Lee Jong Shin

  [State tribunal officer]

  Guest Role
• 
  Lee Ye Ji

  [Court lady]

  Guest Role
• 
  Jung Se Hyun

  [Court lady]

  Guest Role
• 
  Cha Yu Jin Guest Role

Unknown

• 
  Jung Min Seok Unknown