Oh Eui-shik (, born November 1, 1983) is a South Korean actor. Oh made his musical debut in 2006 and has since built up his acting skills in a number of plays and television drama. He is known for roles in television dramas such as Oh My Ghost, Love in the Moonlight, Hi Bye, Mama!, Wok of Love, and True Beauty.
Oh Eui-sik was born on November 1, 1983, in Jeju, where he resided until his early twenties. Oh relocated to Seoul in his early twenties to work in the interior design industry. His office was located in Daehakro, akin to Off-Broadway. Oh developed an interest in theater after frequently attending stage productions in the Dahakro. Inspired by these performances, he decided to pursue a career in acting. He later remarked, "At that time, I was just waiting for my time to get off work and felt bored with my work life. I thought that if I became an actor, I wouldnâÂÂt have to wait for work hours."
Oh made his stage debut in 2006, appearing in the children's musical Bremen Musician. In 2007, he appeared in director Wi Seong-shin's musical Five Sketches of Love, an open-run production in Daehangno. The musical explores five romantic vignettes set in a motel.
In 2009, Oh joined the cast of the musical Rocksitter. The musical, an adaptation of Lee Geun-sam's play Fishing Field War, portrays the unexpected encounter and evolving relationship between a bank clerk and a 60-year-old restaurant owner at a fishing spot. Oh and actress Lee Bong-ryun played multiple characters, including collectors, coffee shop owners, adulterous couples, elderly couples, and rescue workers.
In 2013, Oh officially became a member of the theater company Ganda. Me and Grandpa, a play written by Min Jun-ho, was his first project with Theater Ganda. In 2014, Oh played a bar owner in the play Shall we go to karaoke and talk? The play depicts various episodes unfolding in a karaoke room. This production was the fourth work presented as part of the Ganda Theater Company's 10th-anniversary celebration.
He was discovered onstage by director Yoo Je-won who offered him to audition for role in his television drama. He co-starred as kitchen assistant Choi Ji-woong in tvN fantasy drama series Oh My Ghost (2015), starring Jo Jung-suk, Park Bo-young, Kim Seul-gi and Kwak Si-yang.
In 2021, Oh made a special appearance in Yoo Je-won's drama series Hometown Cha-Cha-Cha as Park Jung-woo, a college friend of Hong Du-sik. In June 2022, Oh signed an exclusive contract with Highzium Studio.