business / Thursday, 21-Aug-2025

Single's Inferno Season 4: Jang Theo's Age, Job, Instagram And More

With Single's Inferno season 4 in full swing, Jang Theo is one of the season's most interesting contestants; here's what to know about his age, job, social media, and more. The reality dating show, which pairs hot young singles on "Hell Island," is one of the most popular reality shows in South Korea. It's also very popular in many other countries, including the UK and the US.

The show is addictive due to its compelling love stories and charismatic cast. The Single's Inferno season 4 cast includes Theo, who made his premiere during the season's first episode. Though he didn't win one of the first dates to Paradise, he made it there during the second episode. Read on to find out how old Theo is, what he does for work, and where he can be found on social media.

Single's Inferno Season 4: Jang Theo's Age

An Eccentric Personality

Theo is 29 years old, so he's on the older side of the Single's Inferno season 4 cast members. He's one of the more eccentric cast members and has a great sense of humor. He describes himself as a "bulldozer" when it comes to love. During the season's second episode, Theo paired with 25-year-old model Lee Si-an, and the two went to paradise together.

Single's Inferno Season 4: Jang Theo's Job

Award Winner

Like many Single's Inferno cast members, Theo is in the performing arts. The actor started his career doing commercials but recently won an international award for best actor for his role in Oppa, a Malaysian film. In addition to being an actor, Theo is also a highly accomplished piano player. He hopes to meet the love of his life by the time the Single's Inferno season 4 finale arrives.

Single's Inferno Season 4: Jang Theo's Instagram

@tachyonproject

Theo can be found on Instagram @tachyonproject, where he has amassed 703K followers. Theo was already matched with Si-an during one of the first pairing ceremonies. She had already been to paradise with 33-year-old business owner Kim Jeong-su, which lands Theo in an exciting Single's Inferno love triangle. With Single's Inferno season 4 in full swing, check back often for updates.

Jang Theo's Age

29 years old

Jang Theo's Job

Actor

Jang Theo's Instagram

@tachyonproject

Single's Infernoseason 4 premiered on January 14, 2025, on Netflix. New episodes are released on Tuesdays.

Sources: Netflix Asia/YouTube, Jang Theo/Instagram, Jang Theo/Instagram

Singles Inferno Poster

Your Rating

Single's Inferno
7.3/10
Release Date
December 18, 2021
Directors
Kim Jae-won, Kim Na-hyun
Writers
Ji Hyun-suk, Lee Jung-hwa

Cast

See All
  • Cast Placeholder Image
    Hong Jin-kyung
  • Cast Placeholder Image
    Lee Da-hee

Singles Inferno is a South Korean reality show where contestants are stranded on a deserted island in hopes of finding romance. Participants must complete daily challenges to earn opportunities for private dates, with the goal of coupling up and escaping the island. The show combines elements of survival and dating, under the watchful eyes of celebrity hosts who provide commentary and insights throughout the series.

Main Genre
Reality
Number of Episodes
18
Seasons
4
Website
https://www.netflix.com/title/81436209?source=35
Distributor
Netflix
Production Company
JTBC
Streaming Service(s)
Netflix

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