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The Heirs Making Film: Blood Types of the Young Cast

I won’t translate the video word for word because there is not much in content and we can’t really here what they are saying for the most part. The main point of the video is to show the happy cast behind the cold atmosphere of the actual scenes they filmed in California, and at the pancake house, Park Shin Hye, Lee Minho, Kang Min Hyuk, and Kim Ji Won start to talk about their blood types. Everyone at the table, except Kim Ji Won, is blood type A. Kim Ji Won is B. Lee Minho guesses that Choi Jin Hyuk is either B or O; turns out he is O. Lee Minho also knows Kang Ha Neul is blood type A. Park Shin Hye looks up Krystal’s, and she is A too. The director pipes in that he is also blood type A .

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I’ve looked up the rest of the blood types for the young cast of The Heirs, and listed them below by blood type. There are a lot that have the blood type A. This isn’t that strange considering that there is a higher percentage of people with blood type A in Korea than all the other types.

Many Koreans “believe” that personality traits, temperament, and compatibility with others are determined by their blood type, so it is not unusual for people to talk about this topic. It’s common for Americans to not know their blood type, but it is rare for Koreans to not know. I’m guessing it has something to do with the Korean national healthcare system which makes it easier for people to regularly get a thorough check up. Growing up in America, I only learned my blood type when I donated blood. Most of my friends don’t know their blood type. Everyone I’ve talked to in Korea does. I can’t say that everyone in Korea believes that blood type determines personality; it’s more a fun and easy way to understand someone. They realize there is no hard scientific proof that blood type determines personality; it works similarly to zodiac signs and astrology signs.

There is a lot of information out there in English about blood type personalities, so I won’t go into much detail. The descriptions I included below are from Huffington Post. It has similar descriptions about each blood type to other sites I’ve read in Korean and English. There are always a few variations in minor details among different sources, but you’ll get the gist of it below.

Blood Type A 

Lee Minho

Park Shin Hye

Kang Min Hyuk

Kang Ha Neul


Jeon Soo Jin

Personality traits: Conservative, introverted, reserved, patient, a perfectionist.

Worst traits: Obsessive, self-conscious, sometimes uptight and stubborn

People with blood type A are to referred to as ‘farmers’ and are considerate to others and extremely loyal. They can be quite secretive and reluctant to share their feelings.

Blood Type B

Kim Woo Bin

Kim Ji Won

Personality traits: Creative, flexible, individualistic, optimistic, passionate.Worst traits: Forgetful and sometimes, irresponsible

Type B personalities are empathetic, easily understanding others’ points of view, yet often hesitating to challenge or confront. Chameleon-like and flexible, they make good friends.

However, type B men have a different reputation and aren’t considered as ‘marriage material’ in Korea, where they are perceived as ‘players’ and are often selfish and mercurial.People who are B blood type have a different set of characteristics than people who are Type O or Type A – they are susceptible to different diseases, they should eat different foods and exercise in a completely different manner.

Blood Type AB

Im Joo Eun

Park Hyung Sik

Personality traits: Cool, controlled, introverted, rationalWorst traits: Critical, indecisive, unforgiving and aloof

Type AB personalities tend to be very charming and popular. They don’t sweat the small stuff and can be seen as spiritual and even at times, a bit “flaky”.

They are believed to be controlled by their heads rather than their hearts. Sometimes it is difficult to be an AB. AB’s don’t like to fit in anyone else’s “boxes”. If they feel too confined, they’ll break out of that box and do things their own way.

Blood Type O

Choi Jin Hyuk

Personality traits: Ambitious, self-confident, robust

Worst traits: Arrogant, insensitive, vain

People with blood type O are viewed as natural leaders and are often keen athletes. They are outgoing, expressive and passionate. They have an insatiable appetite for success and aren’t afraid to take risks or a gamble.

26 Comments Post a comment
  1. nain #

    i am blood type A, and those traits are exactly like mine 😉
    i remember my Korean friends asked me about blood type but i never know why.
    glad to know now…though in indonesia, asking someone age, blood type, parents name or even address are common talk.
    thanks for sharing joonni… 🙂

    November 19, 2013
  2. Here in India also everyone knows their blood type 🙂
    I loved how PSH is laughing so much over whatever LMH is saying….they look so compatible 😉

    November 19, 2013
  3. I have no idea about this. It is very interesting to know more of the nice korean culture. I think i am type A. Thanks.

    November 19, 2013
  4. joen-ha #

    this is a nice surprise and very interesting !!! I love it !!!!!

    thanks !!!

    Time in Seoul 4:37 am ——- Wednesday !!!!!!!!!!!!!!!!!!!!!!!! I am so happy !!!!!!!!!!!!!!

    November 19, 2013
  5. Ibu #

    Thx for this Jooni!

    Still for today’s episode are out. Looks like ES will hug KT first:

    November 19, 2013
  6. I still don’t know my blood type ! But it was fun to read ! Thanks for sharing! ^^

    November 19, 2013
  7. flo #

    Dear Jooni..this is so great..thank you for your translations and explanations about the blood type, you are awesome ^_^
    and here is i found another BTS of LMH and PSH..i love the way he smiled at her..^_^

    November 19, 2013
    • athena #

      he is so handsome oozing with charms here…they must have a very good rapport working in this drama…PSH is a very friendly person by watching all her BTS and CF…she is very cautious too cause being to friendly with top stars.. she is worried of anti fans…and by reading all the hate comments, I can understand the pressure she is in..I think whenever this type of scene taken unknowingly then you see her true self….

      November 19, 2013
    • Thank you for sharing this video. That’s interesting. Also, it seems as though they filmed at night, but outside, it’s day time, which is kind of confusing. Does anyone know anything about that, or did I see it wrong?
      Also interesting are the body languages of PSH and LMH in the video. They keep their limbs (arms) to themselves during the whole video. It was different with PMY BTS, and they ended up briefly dating. Not to say that being physically affectionate on the set always means that the actors and actresses will date. It is just interesting to observe how they are with each other BTS, and I believe it is quite telling as well.

      November 20, 2013
  8. athena #

    PSH love to talk about blood type, I saw this other Reality show she is in and discussed this topic too…but I think anyone should know their blood types because being an ‘O’ means you are a universal donor…and AB n Universal recipient….anyway thanks Joonni for this post ,just love PSH she so bubbly and at ease here….

    November 19, 2013
  9. zoya mir #

    wow ,, thnx joonni 4 diz beautiful sharing ,,, so interesting too ,,,,,,,, i really love ur site ……. gr8 job joonni GOD BLESS… 2DAY IS WED.. haha ! AT LAST d most awaited … LOVE IS THE MOMENT ❤ HEIRS ❤ MINSHIN ❤

    November 19, 2013
  10. Jane in TX #

    I miss those scenes from California, this particular one is not in LA like how it was presented but in San Diego’s Gas Lamp Quarter (downtown). The scenery were brighter and Lee Min No wore fashionable clothes compare to his funny sweaters in Seoul. It’s interesting that blood type something discuss and used to analyze people’s personality in Korea. Here in the states I’ve never heard people asking what is your blood type except for medical purpose.

    November 19, 2013
  11. This is quite interesting. Thank you for this thread!

    November 19, 2013
  12. Apparently there’s a donut kiss tonight 🙂

    November 20, 2013
  13. *hee* Of course, CJH is type O. *winks*

    November 20, 2013
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  18. J Yu #

    Kim Woo Bin is not a blood type B, he is an A blood person like me. My face looks a lot like his. He also has the same birthday as me, July 16.

    May 6, 2018

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