Yoon Seo-yeon was born on 6 August 2003 in Daejeon, South Korea. She is an actress, known for TripleS: Girls Never Die (2024), Lovelution: Girls' Capitalism (2023) and TripleS KRE: Cherry Talk (2023).

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"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.

Yoon Seo-yeon(II)

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