[All] Who are the Heart Signal contestants? Occupation, Age, Instagram (+Miss Korea, Doctor)

The cast of Heart Signal 5 is comprised of individuals with unprecedented credentials, ranging from a former Miss Korea model and a current actor to a doctor. Ahead of the first broadcast on Channel A on April 14, 2026, we have perfectly compiled the revealed cast information, focusing on their occupations, ages, and Instagrams.

 

Although the full details have not been released yet, we have included all the information on male and female cast members confirmed so far.

1. For those who don't know what kind of program Heart Signal 5 is

Heart Signal 5 is a dating reality show on Channel A that observes and analyzes the romantic relationships of young men and women who move into the Signal House to predict the final couples. This is the fifth season, returning after a whopping three years since Season 4, and will premiere on April 14, 2026 at 10 PM.

 

Roy Kim and Tsukki have newly joined the celebrity prediction panel, joining existing members Yoon Jong-shin, Lee Sang-min, and Kim Eana. Immediately after the teaser video was released, reactions poured in saying, "As expected, the original is in a different class," and "I can't wait to watch the main broadcast." The general sentiment is that the three-year wait was worth it.

 

In a word, Heart Signal 5 is the hottest dating reality show even before it starts, as it marks its return after three years.

2. Why are the occupations of the female contestants on Heart Signal 5 such a hot topic?

There is a reason why the online community went into a frenzy as soon as the female contestants for Heart Signal 5 were revealed. From Miss Korea contestants to active actresses, the lineup is such that those who tuned in expecting ordinary people are immediately overwhelmed by their credentials.

 

Jeong Gyu-ri — Former Miss Korea model

- 2023 Miss Korea Gangwon Winner and Runner-up
- Born in 1998, 28 years old / Height 171cm
- Graduated from Incheon University, Department of Fashion Industry
- Instagram and YouTube (Gyuri Universe) are currently private

 

She already has quite a bit of broadcasting experience, and she is appearing with the Miss Korea title as well. It is only natural that people are reacting by asking, "Is this really an ordinary person?"

 

Choi Seol (real name Choi Su-hwa) — Actress

- Born in 2000, 26 years old
- Debuted in 2021 with Shin Yong-jae's music video 'What's the Use of Pretty Flowers'
- Appeared in tvN's Kill Heels (2022) and tvN's Stealer: Seven Joseon Tongbo (2023).
- 2023 movie Horror Mate female lead

 

An actress who filmed a tvN drama and even played the lead role in a movie has moved on to a dating reality show. If you thought, "I've seen this somewhere before," you're right.

 

 

3. There is a doctor among the male contestants on Heart Signal 5?

 

The male contestant currently receiving the most attention on Heart Signal 5 is a practicing doctor. With a combination of visuals and professional credentials, the reaction exploded as soon as he was revealed.

 

Kim Seong-min — General Director of Sia Clinic

- Practicing Physician / General Director of Sia Clinic
- Online reaction explodes due to the combination of handsome visuals and professional credentials
- Detailed age and Instagram information is undisclosed prior to the official broadcast.

 

In addition to this, male cast members from various professions, such as influencers and instructors, are scheduled to be revealed. There is a reaction that many of these figures already have a strong presence even from just the short scenes in the teaser.

 

4. Has there ever been another season where the opinions of the forecasters were so divided?

Prediction team It became a hot topic as the predictions for the three couples were completely different. After watching the same teaser The fact that such a different conclusion is reached actually seems to foreshadow the complex emotional dynamics of this season.

 

 

- Kim Ina: "There will be about one final couple, and the relationships will unfold quite complicatedly."
- Lee Sang-min: "It feels like things got complicated from the start; there might not be any couples."
- Yoon Jong-shin: "The participants are much more proactive; there is a possibility of more than two couples."

 

Immediately after the teaser was released, viewers flooded the internet with reactions such as "This season is going to be legendary" and "I've started getting hooked." Given that the show hasn't even aired yet, this level of response shows just how high the anticipation is.

 

5. Heart Signal 5 Cast Members: A Complete Summary of Information Released So Far

Currently officially confirmed The cast of Heart Signal 5 is as follows.

 

Jeong Gyu-ri, 28 years old (born 1998), Miss Korea, Model Choi Seol (Choi Su-hwa), 26 years old (born 2000), actress Dr. Kim Seong-min (Director of Sia Clinic)

 

The full cast will be revealed sequentially around the time of the April 14th broadcast. Additional information regarding the Heart Signal 5 cast will be updated as soon as it is confirmed.

 

▶ Key Summary

The cast of Heart Signal 5 can be summarized as follows.

First, female contestant Jung Kyu-ri is a 28-year-old model born in 1998, who was the winner and runner-up of Miss Korea Gangwon 2023.
Second, female cast member Choi Seol (real name Choi Su-hwa) is a 26-year-old actress born in 2000 who has appeared in tvN dramas and movies.
Third, male contestant Kim Seong-min is the general director of Sia Clinic and a practicing doctor, and is drawing attention for his visuals and professional background.

Q&A

 

Q1. How old is Jung Kyu-ri, the female contestant on Heart Signal 5?
Jeong Gyu-ri was born in 1998 and is 28 years old as of 2026. She is 171cm tall and is a model who graduated from Incheon University with a degree in Fashion Industry and was the winner and runner-up of Miss Korea Gangwon.

 

Q2. What is Choi Seol's occupation on Heart Signal 5?
Choi Seol's real name is Choi Su-hwa, and she is an actress. Since her debut in 2021, she has played the lead roles in the tvN dramas *Kill Heels* and *Stealer*, and the movie *Horror Mate*.

 

Q3. Who is the doctor among the male contestants on Heart Signal 5?
I am Kim Seong-min, the General Director of Sia Clinic. With my handsome looks and professional background, I am the male contestant receiving the most attention even before the show aired.

 

Q4. When will Heart Signal 5 air?
It will premiere on Channel A on April 14, 2026 at 10 PM. This marks its return after three years since Season 4.

 

Q5. Does Jung Kyu-ri from Heart Signal 5 have an Instagram account?
As preparations for the appearance are underway, both her Instagram and YouTube (Gyuri Universe) accounts are currently set to private. It is highly likely that they will be made public after the broadcast.

 

Q6. Has the Heart Signal 5 prediction panel changed?
Roy Kim and Tsukki have newly joined the existing Yoon Jong-shin, Lee Sang-min, and Kim Eana. The group will operate with a total of five members.

 

Q7. How many final couples do you think will emerge from Heart Signal 5?
The opinions of the prediction team are divided. Kim Ina and Lee Sang-min predicted one couple or fewer, while Yoon Jong-shin predicted two or more. It is considered a season where the ending is difficult to predict.

 

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