Seo Kwang Jae is known for 12.12: The Day (2023), 1987: When the Day Comes (2017) and Teach You a Lesson (2026).

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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

Yoo Hai Jin, Park Hee-soon, Ha Jung-woo, Kim Yoon-seok, Lee Hee-joon, and Kim Tae-ri in 1987: When the Day Comes (2017)

Lee Sung-min, Kim Mu-yeol, Pyo Ji-hoon, and Jin Ki-joo in Teach You a Lesson (2026)

Seo Kwang Jae

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