Jeong Si-yeon is known for No Mercy (2010), Oh! My God (2006) and A Dirty Carnival (2006).

Make your IMDb page stand out by adding a demo reel

The Biggest Movies and TV Coming in September

"The Gentlemen" and "Slow Horses" return this fall, while the "Reacher" spin-off series "Neagley" makes its debut. See our guide of the biggest Fall TV and streaming releases.

2026 Fall TV and Streaming Watch Guide

&quot;The Gentlemen&quot; and &quot;Slow Horses&quot; return this fall, while the &quot;Reacher&quot; spin-off series &quot;Neagley&quot; makes its debut. See our guide of the biggest Fall TV and streaming releases.

Get a closer look at these actors from their many TV and streaming series roles.

Streaming Stars, Then and Now

Ryu Seung-beom, Sul Kyung-gu, and Han Hye-jin in No Mercy (2010)

Choi Seong-guk and Yi Shin in Oh! My God (2006)

Jeong Si-yeon

Known for

Credits

Actress

Did you know

Contribute to this page

More to explore

Recently viewed