Oh Dal-su (; born 15 June 1968) is a South Korean character actor who has appeared on television, film, and stage. His acting career spans over 35 years. Oh is best known for his supporting roles in director Park Chan-wook's films, having appeared in six of Park's films: Oldboy (2003), If You Were Me (2003), Lady Vengeance (2005), I'm a Cyborg, But That's OK (2006), Thirst (2009) and No Other Choice (2025).
In 2015, Oh received praise for his role in Ode to My Father (2014), for which he won a Grand Bell Award and a Blue Dragon Film Award.
Career Oh began his acting career in theater in Busan, and since 2001, he has been the head of theater company Singiru Manhwagyeong ("Mirage and Kaleidoscope"). His rich experience on the stage, in local productions such as Ogu, later made Oh an in-demand character actor on the big screen.
Oh has starred in numerous successful films, in roles such as the owner of the organized crime-funded private jail in Oldboy (2003), a former gang boss in Mapado (2005), a weapons smuggler in A Bittersweet Life (2005), a transvestite in Foxy Festival (2010), a Chinese-Korean conman in The Thieves (2012), and a sympathetic inmate in Miracle in Cell No. 7. He also dubbed the voice of the monster in The Host (2006).
In March 2018, Oh was dropped from Along with the Gods: The Two Worlds due to sexual harassment allegations. In 2018, he withdrew from the cast of My Mister (2018) and took a two-year hiatus from acting.
In 2024, Oh played boat captain Park Yeong Gil in the second and third season of Squid Game (2021).
Legal issues In 1987, Oh was arrested and detained for three days for protesting at the June Democratic Struggle.
On 22 February 2018, Oh was accused of sexual harassment. He initially denied the accusation. On 26 February, further accusations against Oh were broadcast on JTBC Newsroom, during an interview with a woman who accused Oh of sexual harassment and sexual assault. The following day, actress Uhm Ji-young came forward in JTBC's Newsroom, saying that she was also sexually harassed by Oh in 2003. On 28 February, he apologized to the victims. In August 2019, Oh was cleared of sexual assault charges.
Selected filmography Film Year Title Role Notes 2002 Bet on My Disco 뻘줌남 2003 Adolescence Short film If You Were Me Police officer Segment: "Never Ending Peace and Love" Oldboy Park Cheol-woong 2004 The Secret of Eel-fishing Choi Dal-bong Short film The Last Wolf Gold Tooth The President's Barber Mr. Ahn Woman is the Future of Man Rice cake man2005 How Does the Blind Dream? Short film Mapado Boss Crying Fist Yong-dae A Bittersweet Life Myung-gu Sympathy for Lady Vengeance Mr. Chang2006 Forbidden Quest Hwang-ga (copier) A Bloody Aria Oh-geun The Host Monster (voice) Between Love and Hate Hak-yi Three Fellas Na Sang-choon Once in a Summer Nam Gyun-soo I'm a Cyborg, But That's OK Shin Duk-cheon2007 Project Makeover Jung-ju's father The Show Must Go On Hyun-soo Driving with My Wife's Lover Taxi driver2008 Baby and I A Tale of Legendary Libido Kang-mok The Good, the Bad, the Weird Butler Park2009 Private Eye Oh Young-dal Thirst Young-du Dream Lee Young-chul TV series (SBS) Short! Short! Short! 2009: Show Me the Money Factory owner Segment: "Hundred Nails and a Deer Antler" Girlfriends Voice doctor 2010 Nice Shorts Father (voice) Segment: "Don't Step Out of the House" The Servant Old man Ma Troubleshooter Choi Sang-chul Foxy Festival Kim Gwang-rok Late Blossom Dal-su2011 Detective K: Secret of the Virtuous Widow Seo-pil Head Kim Sang-chul/Oh Byeong-seok Hindsight Teacher Yook About Alcohol Narrator Documentary2012 Salamander Guru and The Shadows Seon-dal TV sitcom (SBS) The Thieves Andrew R2B: Return to Base Min Dong-pil The Traffickers Kyung-jae The Ugly Duckling Nak-man's father Code Name: Jackal Chief detective Ma Mr. Vertigo Master Short film2013 Miracle in Cell No. 7 So Yang-ho My Paparotti Principal Deok-saeng Mai Ratima Man with stolen goods The Attorney Park Dong-ho2014 The Pirates Han Sang-jil Slow Video Byeong-soo Ode to My Father Dal-gu2015 Detective K: Secret of the Lost Island Seo-pil Assassination Old Man Veteran Team leader Oh You Call It Passion General manager Go Cameo2016The Great ActorJang Sung-PilRun OffKang Dae-WoongOld DaysHimselfDocumentaryTunnelKim Dae-kyungMaster Hwang Myeong-joon 2017Memoir of a MurdererByeong-manAlong With the Gods: The Two WorldsJudge1987: When the Day ComesYi Doo-seok2018Detective K: Secret of the Living DeadSeo-pil 2020Best FriendLee Ui-sik 2021Yoshichalgod Independent film 2022I Want to Know Your ParentsDo Ji-yeol 2023UngnamiNa Bok-cheonDocumentary film4:00 PMJung-in 2024 I, the Executioner Team leader Oh2025No Other ChoiceDetective #1 2025BossIn-sulrowspan=2 Control
Television series Year Title Role Notes 2024-2025Squid GameSea Captain ParkSeason 2-3
Theater Year Title Role 2005 Art Kyu-tae 해일 Men's Impulse 2006 The Tenant 2008 The Goat, or Who Is Sylvia? Martin Gray Marijuana Yong-bo 2009 Mondays 5 p.m. 2010 Ogu 2011 Holding the Sun and the Moon Elder Hwang 2012 Kisaragi Miki-chan Kimura Takuya House of Dead / Nobel Prize for Literature Award Speech Writer 2013 Kisaragi Miki-chan Kimura Takuya
Awards and nominations Year Award Category Nominated work Result 2005 6th Busan Film Critics Awards Best Supporting Actor Mapado 2006 27th Blue Dragon Film Awards Best Supporting Actor Forbidden Quest 2007 15th Chunsa Film Art Awards Best Supporting Actor Once in a Summer 2009 SBS Drama Awards Best Supporting Actor in a Drama Special Dream 2010 47th Grand Bell Awards Best Supporting ActorThe Servant 31st Blue Dragon Film Awards Best Supporting Actor 2013 49th Baeksang Arts Awards Best Supporting Actor (Film)Miracle in Cell No. 7 50th Grand Bell Awards Best Supporting Actor 21st Korean Culture and Entertainment Awards Top Excellence Award, Actor in Film 2014 34th Golden Cinema Festival Best Supporting Actor 2015 10th Max Movie Awards Best Supporting Actor Ode to My Father 20th Chunsa Film Art Awards Best Actor Detective K: Secret of the Lost Island 19th Bucheon International Fantastic Film Festival It Star Award Ode to My Father 24th Buil Film Awards Best Supporting Actor 52nd Grand Bell Awards Best Supporting Actor Best Supporting Actor Assassination 36th Blue Dragon Film Awards Best Supporting Actor Ode to My Father 2nd Korean Film Producers Association Awards Best Supporting Actor 6th Korean Popular Culture & Arts Awards Prime Minister's Award 2016 7th Korean Film Reporters Association Awards (KOFRA) Best Supporting ActorAssassination 11th Max Movie Awards Best Supporting Actor Veteran 21st Chunsa Film Art Awards Best Supporting Actor 52nd Baeksang Arts Awards Best Supporting Actor (Film) 37th Blue Dragon Film Awards Best Supporting Actor The Tunnel 53rd Grand Bell Awards Best Supporting Actor
Listicles + Name of publisher, year listed, name of listicle, and placement Publisher Year Listicle Placement Forbes 2016 Korea Power Celebrity 40 38th 2017 34th
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