Meet Theo Jang From 'Single's Inferno' Season 4: What to Know About the Rising Actor and Reality Star
Fans are hoping that he finds love on the hit Korean Netflix dating show.

Whenever Netflix's hit Korean reality show Single's Inferno returns for a new season, fans have fun searching for any info they can find on the show's reality stars. Among season 4's cast, Theo Jang stands out to global viewers for his bold sense of humor and surprisingly sweeter side, as they root for him to end up with his pick, Lee Si-an.
While we'll have to wait and see whether he finds love in Single's Inferno season 4, aspiring global actor Theo may also find fame. Below, read on for everything to know about Theo Jang, from his acting career so far to his goal of making it in Hollywood.
Theo Jang is an award-winning actor, model, and musician.
Theodore Jang (Korean name Jang Tae-oh), 30, began his entertainment career in South Korea, as an actor and model across commercials, fashion campaigns, and K-dramas. Before Single's Inferno, he was best known in Korea for recurring roles in the 2020 melodrama A Man in a Veil, and the 2021 historical K-drama The King of Tears, Lee Bang Won.
In 2024, he starred in the Malaysian crime thriller Oppa, which follows a female teacher as she falls for an online romance scammer. Theo went on to receive the Best Foreign Language Film Actor award at the 2024 Asia International Film Festival in Macau for his performance. Oppa also won Best Malaysia Film at the fall 2024 ceremony.
According to his website, Theo is next set to appear in the upcoming Filipino film Finding Santos. He also has a degree in management from Kyung Hee University.
A post shared by Theo Jang (@tachyonproject)
A photo posted by on
He has been studying English to get more acting jobs in Western projects.
In Singles Inferno season 4, episode 2, Theo opens up about his career. He shares that his goal is to act more in projects overseas and in English, saying, "My ultimate dream is to act in Hollywood."
According to his website, Theo trained with acting coaches during his time in N.Y.C. He also took an acting intensive hosted by actor Paul Pryce in Seoul, described as the "Uta Hagen Acting Technique & Scene Study class taught completely in English in Seoul, South Korea." Theo marked the end of the program with an emotional tribute that he shared in December 2024.
Stay In The Know
Get exclusive access to fashion and beauty trends, hot-off-the-press celebrity news, and more.
According to his Instagram, Theo has lived an "expatriate life" in several cities across the globe, including Hong Kong, Turkey, Malaysia, and New York in the U.S. In one post, he explained, "I came to realize I had to leave my country to broaden my perspective and it has worked out really well."
A post shared by Theo Jang (@tachyonproject)
A photo posted by on
His hobbies include piano, baseball, and music.
Theo's Instagram feed is a mix of behind-the-scenes looks at his acting journey and day-to-day updates on his hobbies. He has opened up about his acting inspirations and favorite movies, including the 2006 Korean romance movie Once in a Summer, starring Squid Game's Lee Byung-hun. In a sentimental caption, Theo wrote that Lee's performance inspired him to get into acting. "Hope I get to act like this soon (But still long way to go)," he shared. "I'll do whatever it takes to get there."
Outside of acting, Theo has also shared his love of music, posting clips of himself playing the piano and a demo of a song he produced. He releases his music on the YouTube channel Tachyon Project. The 30-year-old is also an avid baseball fan and traveler.
A post shared by Theo Jang (@tachyonproject)
A photo posted by on
Quinci LeGardye is a Culture Writer at Marie Claire. She currently lives in her hometown of Los Angeles after periods living in NYC and Albuquerque, where she earned a Bachelor’s degree in English and Psychology from The University of New Mexico. In 2021, she joined Marie Claire as a contributor, becoming a full-time writer for the brand in 2024. She contributes day-to-day-content covering television, movies, books, and pop culture in general. She has also written features, profiles, recaps, personal essays, and cultural criticism for outlets including Harper’s Bazaar, Elle, HuffPost, Teen Vogue, Vulture, The A.V. Club, Catapult, and others. When she isn't writing or checking Twitter way too often, you can find her watching the latest K-drama, or giving a concert performance in her car.
-
Sofia Richie Grainge Styles Zebra Pants With Flip-Flops
Next stop on the tour: her elegant wedding venue in the South of France.
-
Gigi Hadid Pairs Metallic Track Pants and Mesh Flats
The controversial shoe trend is most definitely gaining steam.
-
Body Language Expert Says Kate Can't "Mask Her Emotions"
"We also saw William...mirroring the same emotions as Kate."
-
'The Devil's Plan' Season 3: Everything We Know
Fans have a lot of thoughts about where the Korean reality show should go.
-
'Love Island USA' Season 7 Voting: Here's How to Vote for Your Favorite Islanders
We need to ensure our favorite girlies stay in the villa!
-
'Ginny & Georgia' Season 4: Everything We Know
The creator has already teased her thoughts on where the show will go after that shocking finale.
-
'Ginny & Georgia' Season 3 Ending, Explained: Breaking Down the Twists
Did the "Mayoress Murderess" saga end in chaos? (Of course it did.)
-
Meet the Cast and Characters of Netflix's 'Survivors'
You'll be hooked by this Australian drama—which just so happens to star the next lead on 'Bridgerton.'
-
Meet Cierra Ortega, the First Bombshell of 'Love Island USA' Season 7
The latest Islander was already racking up Instagram partnerships before she even arrived at the villa.
-
'The Secret Lives of Mormon Wives' Is Getting a Reunion Special. Here's Everything We Know
Here's everything we know about the upcoming special.
-
Meet the Cast of 'Love Island USA' Season 7
Here's what to know about the remaining Islanders and new additions.