NetflixNow that Single’s Inferno Season 4 has made its debut on Netflix, you’ll most likely want to know exactly who’s in the cast. While there’s plenty of hype, fans of the reality series have one complaint about this year’s contestants.
Since debuting in 2021, Single’s Inferno has grown in popularity, taking place in South Korea where a group of hopeful singles are left on a deserted island known as ‘Inferno’. Here, they have to fend for themselves and don’t have access to electricity.
Their goal? To leave Inferno for a luxury island named Paradise – but the only way to do so is to find a match. Season 4 Part 1 dropped on Netflix on January 14, with new episodes dropping every Tuesday until the grand finale.
Once again, Hong Jin-kyung, Lee Da-hee, Kyuhyun, Hanhae, and Dex have returned as hosts, but what about the rest of the cast? Read on for more details.
Single’s Inferno Season 4 cast
The Single’s Inferno Season 4 cast is very confident, with the Netflix reality show introducing the main batch of contestants in Episode 1. They include:
Kim Min-seol, 25
NetflixAfter graduating with a major in acting, Kim Min-seol has appeared in K-drama Cafe Minamdang. SPOTV also invited Minseol for a reporter internship at its news station, and she’s now a sportscaster. She had 11.3k followers on her Instagram page, which has since grown to nearly 60k since appearing on the show.
Min-seol describes herself as cute and loveable, but she’s also competitive and isn’t afraid to seize the man she’s interested in.
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Kim Tae-hwan, 32
NetflixYou may also recognize Kim Tae-hwan from the Single’s Inferno Season 4 trailer. With a past in acting, he’s appeared in Love Class, My Amazing Boyfriend, and The Bride of Habaek.
Tae-hwan first made a name for himself as a model, appearing in magazines including GQ Korea, Vogue Girl Korea, and L’Officiel Hommes Korea. In Episode 1 of the show, he admits that he’s often prioritized romance over his career. He has 10.9k followers on his Instagram account, which has grown to 11.7k since his Single’s Inferno debut.
Lee Si-an, 25
NetflixLee Si-an has taken part in competition reality shows like Idol School and Produce48, and was a member of the pre-debut girl group Happyface Girls. After signing with Leaders Entertainment, Si-an now works as a commercial model for a number of brands. She had 82.4k followers on Instagram, but this has now ballooned to 382k.
When she was a child, she was involved in competitive swimming, something she still enjoys as a hobby today. She’s hoping to find a “passionate kind of romance” on Single’s Inferno Season 4.
Yuk Jun-seo, 28
NetflixYuk Jun-seo was the first confirmed contestant for Single’s Inferno Season 4. Jun-seo formerly served for the Navy Special Warfare Flotilla (UDT/SEAL) and was honorably discharged as a sergeant in 2019.
Since then, he’s gone on to enjoy a career in the entertainment industry, arguably his most famous role being in the K-drama series Sweet Home. He’s now an artist and works from his studio. Jun-seo’s gone from having 220k followers on Instagram to 359k. As for why he joined the dating show, Jun-seo says, “I wanted to experience something different from my daily life.”
Bae Ji-yeon, 26
NetflixAccording to her Instagram page, Bae Ji-yeon is a model and a space director. She works out on a daily basis, saying in Single’s Inferno that she’s confident in her “hotness factor.” Ji-yeon’s main hobby is horseback riding.
Although she started out with 25.3k followers, she’s become a fan favorite on Single’s Inferno, with her Instagram followers now at a whopping 245k.
Jang Theo, 29
NetflixJang Theo is an actor and musician, with some of his past acting credits including Finding Santos and The King of Tears, Lee Bang-won. His 551k Instagram followers has skyrocketed to 885k.
Theo describes himself as a bit of a “bulldozer” and isn’t afraid to go after what he wants. He’s proving to be a bit of a wild card in Single’s Inferno, winning over the hosts with his personality.
Chung You-jin, 28
NetflixChung You-jin enjoys free diving as a hobby, but her main passion is dancing, having graduated from the dance department at Ewha Womans University. You-jin is now studying for a masters degree.
When it comes to romance, You-jin describes herself as cute, and says she unconsciously runs her fingers through her hair when she’s into someone. The now-infamous swing incident appears to have worked in her favor – her Instagram following has gone from 10.8k to 100k.
Kook Dong-ho, 30
NetflixKook Dong-ho explains that he can come off as “cold” at first but deep down he’s “sweet and tender”. “I’m determined to approach the woman I like and make her my own,” he says. In Episode 6, he finally gets to go to Paradise, where he reveals he’s a certified public accountant.
Dong-ho had 28k followers on Instagram, but his has since leaped to 74.6k.
Kim Hye-jin, 26
NetflixAs Kim Hye-jin later reveals, she’s a model who most recently became the face of an eyewear brand. She’s also appeared in ads for numerous beauty and fashion brands.
Hye-jin describes herself as “quirky,” and says she often finds herself staring at love interests, which makes them “fall” for her. Her Instagram following has jumped from 30k to 99.7k followers since appearing on Single’s Inferno.
Kim Jeong-su, 33
NetflixKim Jeong-su has a successful career in the food industry, running multiple coffee shops and bakeries in South Korea. He says he’s “docile like a retriever,” and is “loyal and friendly” to those he likes. He previously had 14.5k followers on Instagram, which has since gone up to 44.1k as on January 24, 2025.
Kim A-rin, 25
NetflixLast but definitely not least is Kim A-rin, a model who also posts lifestyle content on YouTube, where she has more than 22k followers. A-rin describes herself as “easygoing,” and reveals she enjoys skateboarding as a hobby.
Much like the other Single’s Inferno Season 4 cast, her Instagram followers have grown in recent weeks, jumping to more than 300k.
New contestants
In Episodes 5 and 6, which landed on the streaming service on January 21, two new contestants made it to Inferno. They include:
An Jong-hoon, 32
NetflixThe new male contestant says some people call him a “little blunt,” but they soon realize he’s “delicate and upbeat too.” He works as a restaurant business owner in Apgujeoung, and is currently managing two eateries located in the same building. Jong-hoon has 187k followers on Instagram.
Park Hae-lin, 24
NetflixPark Hae-lin describes herself as “cool, accountable, lovable, and sweet.” She’s an extrovert, with her bubbly personality shining through. Hae-lin is currently a student whose major is in acting. You can find her on Instagram where she’s got 59.9k followers.
Single’s Inferno fans have one complaint
Single’s Inferno typically has around 12 contestants, meaning there will no doubt be more changes in the weeks to come. Until then, fans have been busy discussing the cast, but some have taken issue with the fact that the list includes celebrities.
Taking to Reddit, one wrote, “I wanted less micro celebs and influencers, not more.” Another said, “So many actors this time around, not excited for it. Anyway the guys have always been meh every season, looking forward to the girls.”
“Yeah no, it’s only celebrities this time too. I’m kinda not excited now,” added a third, while a fourth chimed in, “Show needs to work on casting non D list celebrities.”
However, others are excited by the drama in Season 4. “I’m looking forward to the double dates that will be added to this season,” said one. “I love how messy it’s going to be.”
Single’s Inferno Season 4 Episodes 1-6 are on Netflix now, with the next batch landing on January 28. You can also read about where the Love is Blind engagement ring comes from, all the Below Deck couples who are still together, and other great TV shows to stream this month.