Kim Seong-yoon is known for Itaewon Class (2020), Dream High (2011) and The Sound of Magic (2022).

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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

Park Seo-joon and Kim Da-mi in Itaewon Class (2020)

J.Y. Park, IU, Kim Soo-hyun, and Bae Suzy in Dream High (2011)

Choi Sung-eun and Ji Chang-wook in The Sound of Magic (2022)

Kim Seong-yoon(I)

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