Missing Crown Prince

Missing Crown Prince (Korean세자가 사라졌다) is a 2024 South Korean television series written by Kim Ji-soo and Park Chul, directed by Kim Jin-man, and starring Suho, Hong Ye-ji, Myung Se-bin, Kim Joo-hun, and Kim Min-kyu. It aired on MBN from April 13, to June 16, 2024, every Saturday and Sunday at 21:40 (KST). It is also available for steaming on TVING and Wavve in South Korea, and on Viki and Viu in selected regions.

Missing Crown Prince
Promotional poster
Hangul
세자가 사라졌다
Hanja
世子가 사라졌다
Literal meaningThe Crown Prince Has Disappeared
Revised RomanizationSejaga sarajyeotda
McCune–ReischauerSejaga sarajyŏtta
Genre
Written by
  • Kim Ji-soo
  • Park Chul
Directed byKim Jin-man
Starring
Music byKim Soo-han[2]
Country of originSouth Korea
Original languageKorean
No. of episodes20
Production
Production companies
Budget₩20 billion[4]
Original release
NetworkMBN
ReleaseApril 13 (2024-04-13) –
June 16, 2024 (2024-06-16)

Synopsis

Set in Joseon, the series is about a crown prince who is kidnapped by the woman destined to be his wife. While fleeing for their lives, romance blooms between them.

Cast and characters

Main

King Haejong's eldest son who was appointed as the crown prince when his father ascended to the throne through a rebellion.
A person who has outstanding skills in horseback riding and medicine.
A Queen Dowager.
Choi Myung-yoon's father who is a royal physician at naeuiwon.
Yi Geon's half-brother who has excellent martial arts skills.
King Haejong's second wife who is an affectionate and empathetic person.

Supporting

  • Jeon Jin-oh [ko] as King Haejong[11]
The current King of Joseon who is also the father of Yi Geon and Grand Prince Doseong.
  • Cha Kwang-soo [ko] as Yoon Yi-gyeom[5]
Queen Yoon's father who is the Second State Councillor.
  • Kim Seol-jin [ko] as Gap-seok[5]
A royal attendant at the crown prince's residence and Yi Geon's companion.
Queen Dowager Min's lady-in-waiting.
  • Son Jong-bum [ko] as Yoon Jeong-dae[5]
Head of the capital bureau.
  • Seo Jae-woo as Mu-baek[5]
Choi Sang-rok's right-hand man and bodyguard.
  • Kim No-jin [ko] as Oh-wol[5]
Choi Myung-yoon's maid.
  • Hayden Won as Cheol-du[5]
Grand Prince Doseong's confidant.
  • Jung Yoon-seo [ko] as Court Lady Cho[5]
Queen Yoon's lady-in-waiting.
Yi Geon's eunuch.
  • Kim Tae-geun [ko] as Kim Dae-seung[5]
An official at the Office of Censors.
  • Park Gi-deok as the chief of naesi and King Haejong's eunuch[5]
  • Choi Jong-yoon [ko] as Jung-yeong[5]
A royal guard.
Yi Geon's maternal grandfather.

Production

Development

The series was written by Kim Ji-soo and Park Chul, who both wrote Bossam: Steal the Fate (2021), and directed by Kim Jin-man, who worked on Kill Me, Heal Me (2015) and Stealer: The Treasure Keeper (2023). Filming began in 2023.[1][12]

In October 2023, production companies Chorokbaem Media and Superbook Co., Ltd. signed a business agreement with Mungyeong City to support the production of the series.[13]

Casting

Suho, Hong Ye-ji, Kim Min-kyu, and Myung Se-bin were reportedly cast in 2023, and they were confirmed as the main casts of the series along with Kim Joo-hun.[14][15][16][7][17]

Release

MBN confirmed the premiere date of Missing Crown Prince, which originally was set to be on March 9 but was postponed to April 13, 2024, instead, and will air every Saturday and Sunday at 21:40 (KST).[17][18] It is also available for steaming on TVING, Wavve, Viki, and Viu.[19][20][21]

Original soundtrack

Part 1

Released on May 4, 2024
No.TitleLyricsMusicArtistLength
1."Love You More Gradually" (아스라이, 더 가까이)
  • Kim Chang-rak (Aiming)
  • Kim Soo-bin (Aiming)
  • Grace H
  • Kim Chang-rak (Aiming)
  • Kim Soo-bin (Aiming)
  • Jo Se-hee (Aiming)
Suho3:57
2."Love You More Gradually" (아스라이, 더 가까이; Inst.) 
  • Kim Chang-rak (Aiming)
  • Kim Soo-bin (Aiming)
  • Jo Se-hee (Aiming)
 3:57
Total length:7:54

Part 2

Released on May 11, 2024
No.TitleLyricsMusicArtistLength
1."Stay By My Side" (내 곁에 있어요)Kim Soo-bin (Aiming)
  • Kim Chang-rak (Aiming)
  • Kim Soo-bin (Aiming)
  • Jo Se-hee (Aiming)
  • Kwon Soo-hyun (Aiming)
Taeil3:53
2."Stay By My Side" (내 곁에 있어요; Inst.) 
  • Kim Chang-rak (Aiming)
  • Kim Soo-bin (Aiming)
  • Jo Se-hee (Aiming)
  • Kwon Soo-hyun (Aiming)
 3:53
Total length:7:46

Part 3

Released on May 18, 2024
No.TitleLyricsMusicArtistLength
1."Breath" (한숨)Ha Jeong-hyeon
  • 249
  • Ha Jeong-hyeon
Yves (Loona)4:22
2."Breath" (한숨; Inst.) 
  • 249
  • Ha Jeong-hyeon
 4:22
Total length:8:44

Viewership

Missing Crown Prince : South Korea viewers per episode (thousands)
SeasonEpisode number
1234567891011121314151617181920
1332N/A55055657248250381769373279279865975975183710201036900987
Source: Audience measurement performed nationwide by Nielsen Korea.[22][23]
Average TV viewership ratings
Ep.Original broadcast dateAverage audience share
(Nielsen Korea)[23][24]
NationwideSeoul
1April 13, 20241.452% (14th)N/A
2April 14, 20241.148% (21st)
3April 20, 20242.623% (2nd)2.444% (2nd)
4April 21, 20242.511% (4th)2.174% (5th)
5April 27, 20242.792% (2nd)2.159% (3rd)
6April 28, 20242.376% (4th)1.847% (4th)
7May 4, 20242.345% (3rd)1.753% (5th)
8May 5, 20243.636% (1st)3.519% (1st)
9May 11, 20243.237% (1st)2.924% (2nd)
10May 12, 20243.086% (3rd)2.470% (3rd)
11May 18, 20243.783% (2nd)3.317% (2nd)
12May 19, 20243.826% (2nd)3.899% (2nd)
13May 25, 20242.944% (2nd)2.791% (2nd)
14May 26, 20243.734% (2nd)3.457% (2nd)
15June 1, 20243.542% (2nd)3.197% (2nd)
16June 2, 20243.976% (1st)3.809% (2nd)
17June 8, 20244.350% (1st)4.023% (2nd)
18June 9, 20244.517% (2nd)4.504% (2nd)
19June 15, 20244.244% (1st)3.847% (2nd)
20June 16, 20245.059% (1st)4.833% (1st)
Average3.259%[a]
  • In the table above, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
  • N/A denotes ratings that were not published.
  • This drama aired on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC, and EBS).

Notes

References