Choi Seong-guk was born on 2 December 1970 in South Korea. He is an actor, known for Oh! My God (2006), Romantic Warriors (2003) and Master Kim vs Master Kim vs Master Kim (2007).

Choi Seong-guk in Mischievous Kiss (2010)

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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.

Streaming Stars, Then and Now

Choi Seong-guk and Lee Si-young in Mischievous Kiss (2010)

Choi Seong-guk and Jung So-min in Mischievous Kiss (2010)

Choi Seong-guk, Kim Hyun-joong, and Jung So-min in Mischievous Kiss (2010)

Choi Seong-guk and Lee Young-eun in Oh! My God 2 (2009)

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

Kim-gwanjang dae Kim-gwanjang dae Kim-gwanjang

Master Kim vs Master Kim vs Master Kim (2007)

Teo Yoo, Justin Chon, Jessika Van, Kang Byeol, Rosalina Lee, and Esteban Ahn in Seoul Searching (2015)

Choi Seong-guk

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