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Lee Tae-sung

イ・テソン / い・てそん

American actor

April 21, 1985 (age 41) ・ South Korea, United States

  • actor
  • film actor
  • television actor

My Take

I'll be honest — Lee Tae-sung isn't the flashiest name in the Korean drama world, but he's the kind of actor you keep noticing even when he's not the lead. Trained at Daeduk University and working steadily since the mid-2000s, he carved out a real presence in rom-coms and melodramas alike — Playful Kiss and Rooftop Prince showed he could hold his own against bigger stars, and My Golden Life proved he had genuine staying power when the writing gave him room to breathe. There's a quiet intensity to him on screen that I find more interesting than the louder, more obvious heartthrob types. The reality show My Little Old Boy adds a warmer, more relaxed dimension to his public persona, which honestly makes him easier to root for. A journeyman in the best sense — dependable, skilled, and still clearly hungry.

Overview

Lee Tae-sung (Korean: 이태성; born April 21, 1985), birth name Lee Sung-deok, is a South Korean actor. He is known for his roles in 26 Years Diary, Playful Kiss, Rooftop Prince, and My Golden Life and is currently a cast member of the reality show My Little Old Boy.

1. Profile

Name (English)
Lee Tae-sung
Name (Japanese)
イ・テソン
Reading
い・てそん
Born
April 21, 1985 (age 41)
Zodiac / Chinese zodiac
Taurus / Ox
Origin
South Korea, United States
Blood type
Private
Height
Private
Agency
Private
Occupation
actor / film actor / television actor

2. Background

Elementary school
Private
Junior high
Private
High school
Private
University
Daeduk University

3. Relationships

Spouse
Private
Children
Private
Parents
Private
Siblings
Private

4. Personality

Motto

Private

7. About this entry

Tags

  • actor
  • film actor
  • television actor
Last updated
2026-06-02

Facts are limited to publicly available information up to 2024; non-public items are marked "Private / Unknown". English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.