Ko Sung-hee

Quick Facts: Who was Ko Sung-hee?

Subject:

Ko Sung-hee

Known for:

South Korean actress known for her roles in period and fantasy dramas.

Born:

1990-06-21

Century / Era:

1990s Historical Era Archive

Verified Source:

2Day Chrono-Wiki & Primary Historical Archives

Origins & Early Life

Ko Sung-hee (Korean: 고성희; born June 21, 1990) is a South Korean actress. She played her first leading role in the fantasy-period drama Diary of a Night Watchman (2014).

Career & Major Achievements

On October 17, 2022, Ko's agency announced that Ko will marry a non-celebrity boyfriend in November. They married in a private ceremony on November 20, 2022, in Seoul.

Enduring Legacy & Impact

On April 30, 2025, MSteam Entertainment announced that Ko gave birth to a daughter last year.

Chronological Milestones & Life Events

1. 1990 (1990-06-21): Birth of Ko Sung-hee — South Korean actress known for her roles in period and fantasy dramas.
2. 2014: 2014 Milestone — She played her first leading role in the fantasy-period drama Diary of a Night Watchman (2014).
3. 2022: 2022 Milestone — On October 17, 2022, Ko's agency announced that Ko will marry a non-celebrity boyfriend in November.
4. 2025: 2025 Milestone — On April 30, 2025, MSteam Entertainment announced that Ko gave birth to a daughter last year.

Historical Fact-Check Quiz: Ko Sung-hee

True or False: “Ko Sung-hee's first leading role was in a historical drama set during the Joseon Dynasty.”

Answer (FALSE ❌): Her first leading role was in the fantasy-period drama Diary of a Night Watchman (2014).

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• 1990 Historical Timeline & Archive — Explore world events and figures from 1990
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Frequently Asked Questions about Ko Sung-hee