Megumi Ogata is a Japanese voice actress and singer from the Greater Tokyo Area. As a singer, she goes by the name em:óu. She attended Tokai University, but left due to lack of interest. She is also best known for voicing Makoto Naegi and Nagito Komaeda from the Danganronpa Series, Sailor Uranus from Sailor Moon, Kurama from Yu Yu Hakusho, Tier Harribel from Bleach, and Shinji Ikari from Neon Genesis Evangelion, as well as playing Yugi Mutou and Dark Yugi in Yu-Gi-Oh! and also Yukito Tsukishiro/Yue in Cardcaptor Sakura.
| Series | After-school Hanako-kun | Hanako-kun / Tsukasa (voice) | 2023-10-13 |
| Movie | Digimon Adventure 02: The Beginning | Lui Ohwada (voice) | 2023-04-01 |
| Series | KamiKatsu: Working for God in a Godless World | Kuren / Loki (voice) | 2023-04-06 |
| Series | High-Rise Invasion | Shinji Okihara (voice) | 2021-02-25 |
| Movie | Mashin Sentai Kiramager the Movie: Bebop Dream | Dream Stone (voice) | 2021-02-20 |
| Movie | Evangelion: 3.0+1.0 Thrice Upon a Time | Shinji Ikari (voice) | 2021-03-08 |
| Series | The Idaten Deities Know Only Peace | Ysley (voice) | 2021-07-23 |
| Movie | Hideaki Anno: The Final Challenge of Evangelion | Self | 2021-03-22 |
| Movie | Jujutsu Kaisen 0 | Yuta Okkotsu (voice) | 2021-12-24 |
| Movie | King of Prism All Stars: Prism Show Best Ten | Unknown | 2020-01-10 |
| Series | Toilet-Bound Hanako-kun | Hanako-kun (voice) | 2020-01-10 |
| Series | Akudama Drive | Doctor (voice) | 2020-10-08 |
| Movie | Shinkansen Henkei Robo Shinkalion The Movie: The Marvelous Fast ALFA-X That Comes From the Future | Shinji Ikari (voice) | 2019-12-27 |
| Series | Pop Team Epic | Popuko (voice) | 2018-01-07 |
| Series | Ingress: The Animation | Artificial Intelligence ADA (voice) | 2018-10-18 |
| Series | Hakumei and Mikochi | Kobone's Master (voice) | 2018-01-12 |
| Movie | Super Danganronpa 2.5: Komaeda Nagito to Sekai no Hakaimono | Komaeda Nagito (voice) | 2017-01-12 |
| Series | Kino's Journey -the Beautiful World- the Animated Series | Sou (voice) | 2017-10-06 |
| Series | Konohana Kitan | Tsubaki (voice) | 2017-10-04 |
| Series | AOKANA: Four Rhythm Across the Blue | Kagami Aoi (voice) | 2016-01-12 |
| Movie | Tamayura: Graduation Photo Part 4 - Ashita | Tamae Sawatari | 2016-04-02 |
| Series | Phantasy Star Online 2: The Animation | Shion (voice) | 2016-01-08 |
| Movie | PERSONA3 THE MOVIE #4 Winter of Rebirth | Ken Amada | 2016-01-23 |
| Series | Regalia: The Three Sacred Stars | Johann (voice) | 2016-07-07 |
| Movie | Assassination Classroom the Movie: 365 Days' Time | Itona Horibe | 2016-11-19 |
| Series | Magical Girl Raising Project | Mori no Ongakuka Cranberry | 2016-10-01 |
| Series | Koro Sensei Quest! | Itona Horibe | 2016-12-23 |
| Series | Assassination Classroom | Itona Horibe | 2015-01-10 |
| Movie | Tamayura: Graduation Photo Part 1 - Kizashi | Tamae Sawatari (voice) | 2015-04-04 |
| Movie | PERSONA3 THE MOVIE #3 Falling Down | Ken Amada | 2015-04-04 |
| Movie | Tamayura: Graduation Photo Part 2 - Hibiki | Tamae Sawatari | 2015-08-29 |
| Movie | PERSONA3 THE MOVIE #2 Midsummer Knight's Dream | Ken Amada | 2014-06-07 |
| Series | Tokyo ESP | Ayumu Oozora (voice) | 2014-07-11 |
| Series | Danganronpa: The Animation | Makoto Naegi (voice) | 2013-07-05 |
| Series | Strange Steel Fairy Rouran | Ryuu Reika | 2012-07-27 |
| Series | One Off | Kageyama | 2012-08-05 |
| Movie | Evangelion: 3.0 You Can (Not) Redo | Shinji Ikari (voice) | 2012-11-17 |
| Series | Majikoi - Oh! Samurai Girls | Cookie (voice) | 2011-10-02 |
| Movie | Fate/Prototype | Rider's Master | 2011-12-31 |
| Series | Tamayura | Tamae Sawatari (voice) | 2010-09-06 |
| Movie | Evangelion: 2.0 You Can (Not) Advance | Shinji Ikari (voice) | 2009-06-26 |
| Series | Shattered Angels | Valteishia | 2007-01-05 |
| Series | Petit Eva: Evangelion@School | Shinji Ikari (voice) | 2007-03-20 |
| Movie | Evangelion: 1.0 You Are (Not) Alone | Shinji Ikari (voice) | 2007-09-01 |
| Series | Elemental Gelade | Unknown | 2005-04-05 |
| Series | Bleach | Halibel (voice) | 2004-10-05 |
| Series | Detective School Q | 2003-04-15 | |
| Movie | Detective Conan: The Phantom of Baker Street | Hideki Moroboshi (voice) | 2002-04-20 |
| Series | Tokyo Mew Mew | Aoyama Masaya (voice) | 2002-04-06 |
| Series | Full Moon | Izumi Rio (voice) | 2002-04-06 |
| Series | Samurai Deeper Kyo | 2002-07-02 | |
| Series | Hanada Shounen-shi | Hitoshi Yokomizo | 2002-10-01 |
| Series | UFO Ultramaiden Valkyrie | Valkyrie Ghost | 2002-07-04 |
| Movie | Leave it to Kero! | Yukito Tsukishiro | 2000-07-15 |
| Series | Ghost Stories | Unknown | 2000-10-22 |
| Movie | Cardcaptor Sakura: The Sealed Card | Yukito Tsukishiro / Yue | 2000-07-15 |
| Movie | Power Stone: Vol. 6: The Last Battlefield | Unknown | 1999-01-01 |
| Movie | Yu☆Gi☆Oh! | Yuugi Mutou | 1999-03-06 |
| Movie | Cardcaptor Sakura: The Movie | Yukito Tsukishiro | 1999-08-21 |
| Series | Meltylancer: The Animation | Melvina MacGarlen | 1999-05-25 |
| Series | Karakuri Zoushi Ayatsuri Sakon | Unknown | 1999-10-08 |
| Series | Yu-Gi-Oh! | Yugi Mutou | 1998-04-04 |
| Movie | Evangelion: Death (True)² | Shinji Ikari (voice) | 1998-03-07 |
| Movie | DNA Sights 999.9 | Tetsurô Daiba | 1998-01-01 |
| Series | Neo Ranga | Mei Ohmori (voice) | 1998-04-06 |
| Movie | Revival of Evangelion | Shinji Ikari (voice) | 1998-03-07 |
| Series | Toki no Daichi: Hana no Oukoku no Majo | Unknown | 1998-12-22 |
| Movie | Rayearth Special Version -Wings of Hope- | Eagle / Emeraude (voices) | 1998-12-02 |
| Series | Android Ana Maico 2010 | Unknown | 1998-04-06 |
| Movie | Tomoyo's Cardcaptor Sakura Video Diary! | Yukito Tsukishiro (Voice) | 1998-10-25 |
| Series | Devil Lady | Unknown | 1998-10-10 |
| Series | Cardcaptor Sakura | Yukito Tsukishiro (voice) | 1998-04-07 |
| Series | CLAMP School Detectives | Unknown | 1997-05-03 |
| Movie | Neon Genesis Evangelion: The End of Evangelion | Shinji Ikari (voice) | 1997-07-19 |
| Movie | Neon Genesis Evangelion: Death and Rebirth | Shinji Ikari (voice) | 1997-03-15 |
| Movie | Rayearth | Emeraude / Eagle Vision | 1997-07-25 |
| Series | Vampire Princess Miyu | Reiha | 1997-10-07 |
| Series | B'T X | Karen (voice) | 1996-04-06 |
| Series | Battle Arena Toshinden | Tracy (voice) | 1996-06-21 |
| Movie | Hell Teacher Nube | Kumiko Ijima (voice) | 1996-07-06 |
| Series | Violinist of Hamelin | Sizer | 1996-10-02 |
| Series | Apocalypse Zero | Harara Hagakure (voice) | 1996-10-18 |
| Movie | Megami Paradise | Unknown | 1995-06-07 |
| Series | Megami Paradise | Juliana | 1995-06-07 |
| Series | Miyuki-chan in Wonderland | To Li (voice) | 1995-06-21 |
| Series | Zenki | Anju | 1995-01-09 |
| Movie | Sailor Moon SuperS: Special | Haruka Tenoh/Sailor Uranus (voice) | 1995-08-04 |
| Series | Hyper Doll | Erika (voice) | 1995-10-05 |
| Movie | Sailor Moon SuperS: The Movie - Black Dream Hole | Haruka Ten'ou / Sailor Uranus (voice) | 1995-12-23 |
| Series | Neon Genesis Evangelion | Shinji Ikari (voice) | 1995-10-04 |
| Series | Yamato Takeru | Roka | 1994-04-09 |
| Movie | Yu Yu Hakusho: The Movie - Poltergeist Report | Kurama | 1994-04-09 |
| Series | Galaxy Warring State Chronicle Rai | Hiryuu | 1994-04-08 |
| Movie | Sailor Moon: Kotaete Moon Call (Answer the Moon Call!) | Unknown | 1994-01-01 |
| Series | Maps | Shian (voice) | 1994-07-08 |
| Movie | Yu Yu Hakusho: Eizou Hakusho | Kurama / Shūichi Minamino (voice) | 1994-09-21 |
| Movie | Sailor Moon S the Movie: Hearts in Ice | Haruka Ten'ô / Sailor Uranus (voice) | 1994-12-04 |
| Movie | Captain Tsubasa Movie 05: The Most Powerful Opponent! Holland Youth | Jun Misugi (voice) | 1994-11-14 |
| Series | Magic Knight Rayearth | Eagle Vision | 1994-10-17 |
| Movie | Yu Yu Hakusho: The Movie - The Golden Seal | Kurama | 1993-07-10 |
| Movie | Sailor Moon R: The Movie - The Promise of the Rose | Young Mamoru (voice) | 1993-12-05 |
| Series | Yu Yu Hakusho | Kurama/Shūichi Minamino (voice) | 1992-10-10 |
| Series | Sailor Moon | Petz (voice) | 1992-03-07 |
| Series | Earthian | Elvira | 1989-07-26 |