Jo Byeong-gyu was born on 23 April 1996 in Seoul, South Korea. He is an actor, known for There Is an Alien Here (2021), Boy (2025) and The Uncanny Counter (2020).

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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

Kim Dong-Hee, Kim Hye-yoon, Chani, Kim Byeong-cheol, and Jo Byeong-gyu in SKY Castle (2018)

Lee Tae-ran, Chani, and Jo Byeong-gyu in SKY Castle (2018)

Kim Dong-Hee and Jo Byeong-gyu in SKY Castle (2018)

Kim Dong-Hee, Yun Se-ah, and Jo Byeong-gyu in SKY Castle (2018)

Lee Hyun-woong, Jae Yoon, Jeon Jae-hyeong, Kim Kyu-jong, Bae Noo-ri, Yoon Jin-young, Tae Hang-ho, and Jo Byeong-gyu in There Is an Alien Here (2021)

Yun-jin Choi, Seo In-guk, Yoo In-soo, and Jo Byeong-gyu in Boy (2025)

Ahn Suk-hwan, Yoo Joon-sang, Kim Sejeong, Yoo In-soo, Yeom Hye-ran, and Jo Byeong-gyu in The Uncanny Counter (2020)

Jang Dong-gun and Lee Joon-gi in Arthdal Chronicles (2019)

Jo Byeong-gyu

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