Know the Cast & Characters: ‘Black Knight’

Black Knight Cast - Every Actor and Character in the Netflix Series

The Black Knight cast features Kim Woo-Bin, Song Seung-Heon and Kang Yoo-Seok. This info article contains minor spoilers and character details for Cho Ui-seok’s Netflix series. Check out more streaming guides in Vague Visages’ Know the Cast section.

Black Knight takes place in 2071. As South Koreans live in a world full of polluted air, 10 delivery drivers provide supplies. The narrative examines the friendship between a traumatized adolescent and his hero. Here’s every main actor and character in Black Knight, an adaptation of Lee Yoon-Gyun’s Toomics webtoon.

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Black Knight Cast: Kim Woo-Bin as 5-8

Black Knight Cast on Netflix - Kim Woo-Bin as 5-8

Character Profile: A delivery driver or “Knight.” He is hardened man who works for the government. 5-8 discovers that a businessman intends to slaughter refugees.

Kim’s Resume: Park Heung Soo in School (2012-13), Choi Young Do in Heirs (2013), Choi Sung Hun in Friend 2 (2013), Shin Joon Young in Uncontrollably Fond (2016), Park Jeong-Jun in Our Blues (2022)

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Black Knight Cast: Song Seung-Heon as Ryu Seok

Black Knight Cast on Netflix - Song Seung-Heon as Ryu Seok

Character Profile: The Cheonmyeong Group CEO. He performs experiments on the children of miners. Ryu is a dying man who cares only about his health and wealth.

Song’s Resume: Park Min Kyu in You and I (1997-98), Attorney Jung Young Woong  in Law Firm (2001), Lee Dong Chul in Edeonui dongjjok (2008-09), Kim Jin-pyeong/Colonel in Obsessed (2014), Kim Hae Kyung in Dinner Mate (2020)

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Black Knight Cast: Kang Yoo-Seok as Yoon Sa-Wol

Black Knight Cast on Netflix - Kang Yoo-Seok as Yoon Sa-Wol

Character Profile: A refugee. He trains to be a Knight after his adoptive sister gets murdered. Sa-wol is a mutant who admires 5-8.

Kang’s Resume: Park Young Joon in Melting Me Softly (2019), Shin Hyeon in Start-Up (2020), Reporter Lim Gyu Seok in Beyond Evil (2021), Kang Doo Seok in I Have Not Done My Best Yet (2022), Jang Tae Chun in Payback (2023)

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Black Knight Cast: Esom as Jeong Seol-Ah

Black Knight Cast on Netflix - Esom as Jeong Seol-Ah

Character Profile: A major for the Defense Intelligence Command. She is one of Sa-wol’s two adoptive sisters. Seol-ah gets stuck between the Cheonmyeong Group and the government.

Esom’s Resume: Mi-so in Microhabitat (2017), Woo Soo Ji/Soo-ji in Because This Is My First Life (2017), Jeong Yoo-na in Samjin Company English Class (2020), Kang Ha Na in Taxi Driver (2021), Cha Min-Hee in Black Knight (2023)

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The Black Knight cast also includes:

  • Kim Eui-sung as Grandpa
  • Roh Yoon-seo as Seul-ah
  • Jin Kyung as The President
  • Nam Kyung-eub as Chairman Ryu
  • Eugene Ko as 7-3
  • Harrison Xu as 3-3
  • John Choi as Sa-Wol
  • Lee Joo-seung as Useless
  • Mark Daugherty as Dummy
  • Min Kim as Gyeong Nam
  • Jiseung Cho as Hyun-su

Q.V. Hough (@QVHough) is Vague Visages’ founding editor.