1. Choi Woo-shik first gained recognition for starring in the film Set Me Free and the television series Hogu's Love before coming to international prominence for his roles in the films Train to Busan and Parasite both of which were critical and commercial successes with the latter winning the Palme d'Or at Cannes and the Academy Award for Best Picture.
Choi Woo-shik has since starred in the television series Our Beloved Summer, A Killer Paradox, and Melo Movie.
Choi Woo-shik migrated to Vancouver, Canada with his family when he was ten years old where he spent the next ten years of his life.
In 2010, while attending Simon Fraser University, then-20-year-old Choi Woo-shik was given permission by his parents to attend an acting audition in South Korea, subsequently leading to him making his acting debut.
Whilst in Korea, Choi Woo-shik enrolled at Chung-Ang University, where he majored in cultural studies, aiming to learn more about Korean culture as he felt he had become somewhat estranged from his heritage having grown up in Canada.
Choi Woo-shik made his acting debut in the period drama The Duo in 2011.
Choi Woo-shik reprised his role when the series was renewed for a second season in 2013.
Choi Woo-shik made his big screen debut that same year, starring as a supporting character in the film Flu and Secretly, Greatly.
In 2014, Choi Woo-shik took on his first leading role in the coming-of-age independent film Set Me Free.
Choi Woo-shik played the role of Young-jae, a sixteen-year-old student living in a group home, who pretends that he wants to become a priest in order to prolong his stay at the home.
The film was well received by critics, and Choi Woo-shik was praised for his portrayal of the protagonist's inner conflict.
Choi Woo-shik won several awards for his acting, including Actor of the Year at the Busan International Film Festival.
Later that year, Choi Woo-shik starred in the action comedy film Big Match, playing the role of genius hacker Guru.
Choi Woo-shik starred as the titular character in the romantic comedy cable series Hogu's Love.
Choi Woo-shik took part in the R-rated Hong Kong-Singaporean film In the Room later that year.
Choi Woo-shik first gained international recognition with the blockbuster zombie thriller film Train to Busan, where he played the role of high school baseball player, Yong-guk.
Choi Woo-shik followed this up with a short, but memorable role as a truck driver in action-adventure film Okja.
Choi Woo-shik continued starring in several other films after this, including The Princess and the Matchmaker and Monstrum.
In 2018, Choi Woo-shik was cast as a mysterious assassin called the "Nobleman" in the action film The Witch: Part 1.
In 2019, Choi Woo-shik reunited with director Bong Joon-ho for the black comedy thriller film Parasite.
Choi Woo-shik played the main character Ki-woo, the son of a poor family, who schemes to become employed by a wealthy family by infiltrating their household and posing as unrelated, highly qualified individuals.
Choi Woo-shik was first approached by Bong after their first collaboration with Okja in 2016, who told the actor to "stay skinny" to play the character.
In December 2021, Choi Woo-shik starred in the SBS drama Our Beloved Summer which was released on Netflix.
In 2022, Choi Woo-shik returned to the big screen with the film The Policeman's Lineage which premiered on January 12,2022.
Choi Woo-shik starred in Netflix's crime thriller series A Killer Paradox in 2024 which was based on the popular webtoon of the same name.
Choi Woo-shik then starred in the Netflix series Melo Movie in 2025.