Doh Kyung-soo (도경수; born January 12, 1993), known professionally as D.O. (디오), is a South Korean singer and actor under SM Entertainment. He is a member of the South Korean boy group EXO and its sub-group EXO-K. Apart from his group's activities, D.O. has starred in various television dramas and movies such as Pure Love (2016), My Annoying Brother (2016), Positive Physique (2016), Room No.7 (2017), 100 Days My Prince (2018), Along with the Gods: The Two Worlds, Swing Kids (2018) and Bad Prosecutor (2022). He made his solo debut on July 26, 2021 with his first mini album Empathy.

Filmography

• Crown to the Throne — Prince Kyung-soo
• Resident Playbook — Theme Song Performance
• 2025Secret: Untold Melody — Yu-jun
• The Manipulated — Ahn Yo-han
• 2023EXO-L-JAPAN presents EXO CHANNEL “THE BEST”
• Jae Joong and Friends
• Nattering with Nah
• 2023The Moon — Hwang Sun-woo
• Bad Prosecutor — Jin Jung
• 2022EXO FILMLIVE JAPAN TOUR - EXO PLANET 2021
• Lean on Me
• Lee Mujin Service — Guest
• 2019A Dog's Courage — Moongchi (voice)
• Heart 4 U
• 100 Days My Prince — Crown Prince Lee Yool / Won-deuk
• 2018Along with the Gods: The Last 49 Days — Private Won Dong-yeon
• Dear My Room — Groom
• 2018EXO PLANET #4 - The ElyXiOn in Seul
• 2018EXO Planet #4 The EℓyXiOn In Japan
• 2018Swing Kids — Roh Ki-soo
• We’ll Show You, EXO! — Regular Member
• 2017Along with the Gods: The Two Worlds — Private Won Dong-yeon
• 2017Room No. 7 — Tae-jung
• Be Positive — Hwan-dong
• 2016My Annoying Brother — Ko Doo-young, Theme Song Performance
• 2016Unforgettable — Beom-sil
• EXO Next Door — D.O
• 2015EXO Planet #1 - THE LOST PLANET in SEOUL
• Hello Monster — Lee Joon-young
• 2014Cart — Tae-young, Theme Song Performance
• EXO 90:2014
• It's Okay, That's Love — Han Gang Woo
• 뜨거운 순간 엑소
• 2012EXO Debut Showcase in Korea — D.O. EXO-K
• Running Man
• Inkigayo
• We are the Zombies — Kim In-jong

Appearances as themselves (39)

• GBRB: Farm Operation - Go Go Farm — Self
• 2026SM Town Live 2025: The Culture, the Future in Fukuoka — Self
• Dabang Sisters — Self
• GBRB Spinoff: Cafeteria Operation — Self
• GBRB: Joy Pops Laugh Pops — Self
• My Secretary — Self
• 20242024 EXO FAN MEETING : ONE — Self
• Three Meals a Day: Light — Self
• ZIP DAESUNG — Self
• 20232023 EXO FANMEETING "EXO' CLOCK" — Self
• GBRB: Reap What You Sow — Self
• No Math School Trip — Self
• 2023SM Town Live 2023: SMCU Palace in Kwangya — Self
• The Seasons — Self
• Absolutely Nothing Prepared — Self
• Blue Dragon Series Awards — Self
• Changing Majors — Self
• 2022EXO: 10th Anniversary Fan Event — Self
• 2022SM Town Live 2022: SMCU Express in Suwon — Self
• Off the Grid — Self
• IU's Palette — Self
• 2018EXO Planet #4 The EℓyXiOn In Seoul — Self
• EXO's Travel the World on a Ladder — Self
• 2018PyeongChang 2018 Olympic Closing Ceremony: The Next Wave — Self
• 2017EXO Planet #3 The EXO'rDIUM In Seoul — Self
• 2017EXO Planet #3 The EXO'rDIUM in Japan — Self
• Park Jin-young's Party People — Self
• 2016EXO PLANET #2 The EXO'luxion in Japan — Self
• 2016EXO PLANET #2 The EXO'luxion in Seoul — Self
• 20152015 Dream Concert — Self
• 2015EXO FROM. EXO PLANET #1 - THE LOST PLANET in JAPAN — Self
• Men on a Mission — Self
• 2015SMTown: The Stage — Self
• Unpretty Rapstar — Self - Judge
• Chef & My Fridge — Self
• EXO's First Box — Self
• EXO's Showtime — Self
• Baeksang Arts Awards — Self
• You Hee-yeol's Sketchbook — Self