Katsuki Masako roles
Anime
Masako has done the following roles in anime.
| Angelique [2004] | Joou |
| Apfel Land Story | Arianna |
| Appleseed | Deunan |
| Arion | Athena |
| Arslan Senki | Faranguis |
| Bad Boys | Sato Erika |
| Battle Team Lakers EX | Chiaki/Kung-fu Laker |
| Black Jack [1995] | Maria |
| Borgman | Memory Gene |
| Burn Up W [1996] | Terrorist Chief |
| Class no Daikirai na Joshi to Kekkon surukoto ni natta [2025] | Houjou Shizu |
| Cooking Papa | Araiwa Nijiko |
| Crying Freeman | Kimie |
| Dangaioh | Shazara |
| Dark Side Blues | Tamaki |
| Digital Devil | Izanami |
| Doukyuusei 2 | Hikari |
| Dragon Quest | Tiara |
| Dragonar | Diane Lance |
| Dragonball GT | Otohime |
| Dream Hunter REM | Asuka Saeko/Demonic Lady |
| Evangelion | female doctor |
| Fighbird | Kunie Yoshiko |
| FIGHT! | Arare/Fujisawa |
| Garasu no Kamen | Kitajima Maya |
| Gun X Sword | R |
| Gundam 0083 {Episode 11} | Lucette Odeby |
| Gundress [1999-2000] | Houraiji Takako |
| Hakkenden OAV [1990-1991] | Tamazusa |
| Hakkenden OAV [1990-1991] | Funamushi |
| Harlock Saga: The Ring of the Nibelung [1999] | Emeraldas |
| High School Kimengumi | Ikari Masuyo |
| JaJa Uma! Quartette | Aiya |
| Jigoku Sensei Nuubee | Minako-sensei |
| Juubei Ninpouchou (Ninja Scroll) | Zakuro |
| Juushin Ryger | Dollsatan |
| Kakugo no Susume (Apocalypse Zero) | Hamuko |
| Kamikaze Kaitou Jeanne [1999-2000] {Episode 37-39} | ? |
| Kaze no Naka no Shoujo Kinpatsu no Jenny | Diana |
| Kigyou Senshi Yamazaki | Rika |
| Kindaichi Shounen no Jikenbo {Episode 95-99} | Tendou Shirou |
| Kindaichi Shounen no Jikenbo Operazakan Aratanaru Satsujin | Touno Seiko |
| Kurogane Communication [1998-1999] | Lavinia |
| Kyou Kara Maou | Tsushirie |
| Lamune & 40 | Beppiin |
| Legend of Galactic Heroes | Hildegard Von Marindolf |
| Licensed by Royal [2003] | Camille |
| Mahou no Princess Minky Momo [1982-1983] | Kate |
| Mahou no Princess Minky Momo [1982-1983] | Linda |
| Maison Ikkoku [1986-1988] | hobo A |
| Maison Ikkoku [1986-1988] | Yuko |
| MAROKO | Maroko |
| Megami Paradise | Mamamega previous |
| Meitantei Conan (Detective Conan) {Episode 210,211} | Mimura Yukari |
| Meitantei Conan (Detective Conan) {episode 263} | Hattori Shizuka |
| Mermaid's Forest (Ningyo no Mori) Takahashi Rumiko Gekijo Season 2 | Nanao's "mother" |
| Metal Fighter Miku [1994] | Aquamarine |
| Miyuki-chan in Wonderland | Humpty Dumpty |
| Mosaica | Valkeena |
| Mozaika | Valkina |
| Musekinin Kanchou Tylor | test officer |
| Najica Dengeki Sakusen/Najika Blitz Tactics [2001] | Queen |
| Noir [2001] | Bourne |
| Oniisama he | Misaki Aya |
| Onikirimaru | ? |
| Orguss | Athena Henderson |
| Pat Labor | Fuwa |
| PLANETES [2003] | Sally Silverstone |
| Princess Minerva | Dynastar |
| Ranma 1/2 [1989-1992] {OAV 5,6} | Natsume |
| Ruri-iro Princess | Shiina |
| Sailor Moon | Kaiou Michiru/Sailor Neptune |
| Samurai Champloo [2004] | Hotaru |
| Samurai Troopers | Kayura |
| Sanctuary | Houjou's lover |
| SD Gundam | Palas Athena |
| Seraphim Call [1999] {Episode 4} | Miyabi |
| Shounan Jun'aigumi | Izumo Mariko |
| Sin the Movie | Kait Palmer |
| Soreyuke! Uchuu Senkan Yamamoto Yohko (OAV) | Zena Leon |
| Soreyuke! Uchuu Senkan Yamamoto Yoko (TV) | Zena Rion |
| Strange Dawn [2000] | Levian |
| Sukeban Deka | Mizuchi Remi |
| Tatakae! Chou Robot Seimeitai Transformers | Chromia |
| Top wo Nerae (Gunbuster) | Kashihara Reiko |
| Top wo Nerae (Gunbuster) | Akaiki Miko |
| Transformers: 2010 | Arcee |
| Tsubasa Chronicle [2005-2006] | Kiishimu |
| Urashiman | Mya |
| Urusei Yatsura | Ten's mother |
| Watashi no Ashinaga Ojisan [1990] | Mary Lambart |
| Weiss kreuz | Hell |
| White Fang [debut] | Mary Scott |
| Yami no Matsuei [2000] | Maria's mother |
| Yuukan Club | Kenbish Yuuri |
| Z Gundam | Reccoa Ronde |
| Zeorymer | Rockfell |
| Zero no Tsukaima Futatsuki no Kishi [2007] | Sheffield |
| Zero no Tsukaima Princess no Rondo [2008] | Sheffield |
Games
Masako has done the following roles in games.
| Arc the Lad -Seirei no Tasogare- [PS2] | Tatiyana |
| Asuka 120% Excellent Burning Fest [Playstation] | Tamaki |
| Back Guiner [Playstation] | Segawa Tomoe |
| Boys Be [Playstation] | Fujii Naoko |
| Boys Be [Playstation] | Chiba Shouko |
| Doukyuusei 2 [Playstation] | Katagiri Mirei |
| Doukyuusei 2 [Sega Saturn] | Katagiri Mirei |
| EVE ZERO -ark of the matter- [WIN] | Ruth Bratchford |
| EVE ZERO [Playstation] | Ruth Bratchford |
| Guardian Recall [Playstation] | ? |
| Kaze no Densetsu: Xanadu II [PC-Engine] | Media |
| Meltylancer -Ginga Shoujo Keisatu 2086- [Sega Saturn] | Lavenne |
| Meltylancer [Playstation] | Lavenne |
| Naruto Uzumaki Ninden [Playstation 2] | ? |
| Next King -Koi no Sennen Oukoku- [Playstation] | Charaway |
| Princess Minerva [PC Engine] | Chiroria |
| Sailor Moon Super Various Emotion [Sega Saturn] | Sailor Neptune |
| Sailor Moon Supers Shin Shuyaku Soudatsusen [Playstation] | Sailor Neptune |
| Tokimeki Mah Jong Paradise -Dear My Love- [Arcade] | Houjou Satsuki |
| Under Cover -AD2025 Kei- [Dreamcast] | Samejima Kei |
| Virus [Sega Saturn] | Shelly |
| Virus [Sega Saturn] | secretary |
Drama
Masako has done the following roles in audio drama.
| Angelique [CD] | ? |
| Beast of East [CD] | ? |
| Garzey no Tsubasa [CD] | Rumiko |
| Kouryuu no Mimi [CD] | Margaret |
| Marouou Fuu'unden [?] | ? |
| Megami Paradise [CD] | Yamimega |
| Next King -Koi no Sennen Oukoku- Gaiden [CD] | Charaway |
| Vampire Hunter Gaiden: Shukumei no tabibito Donovan [CD] | Shanburou |