Jang Theo

Jang Theo

Birthday June 17, 1994
Age 31 Years (May, 2026)
Birth Place Seoul, South Korea
Ethnicity Korean
Relationship Status Single

Biography

Jang Theo, also known as Jang Tae-oh or Theodore Jang, is a South Korean actor, model, musician and reality TV personality best known internationally for appearing on Season 4 of Netflix's dating reality show Single's Inferno. He stood out on the show for his confident personality, bold romantic approach and storyline involving Lee Si-an.

Early Life

Jang Theo was born on 17 June 1994 in Seoul, South Korea. He developed an early interest in performance, music and international culture, and is known to speak Korean and English, with some sources also listing Chinese among his languages.

Career

Before joining Single's Inferno Season 4, Jang Theo worked as an actor, model and musician. He appeared in screen projects and gained attention for his performance in the Malaysian film Oppa, which earned him recognition at the Asia International Film Festival. He is also known for playing piano and sharing music-related content online. In 2025, he became one of the most talked-about male contestants on Single's Inferno Season 4, where his direct pursuit of Lee Si-an became one of the show's major storylines.