Masako Katsuki (勝生 真沙子), born Masako Shiiono (塩野 雅子), is a Japanese voice actress.  She has also worked under the names Ai Nekomi (猫魅愛) and Masami Kawashita (川下雅美).

Masako Katsuki (勝生 真沙子), born Masako Shiiono (塩野 雅子), is a Japanese voice actress.  She has also worked under the names Ai Nekomi (猫魅愛) and Masami Kawashita (川下雅美).

Personal Info

Known For Acting

Gender Female

Known Credits 66

Birthday 1958-10-15

Place of Birth Hachinohe, Aomori, Japan

Official Site -

Also Known As

  • 川下雅美
  • Masami Kawashita
  • Ai Nekomi
  • 猫魅愛
  • 勝生 真沙子

Acting TV ShowsMovies

Metal Fighter Miku (13 episodes) as Aquamarine
2017 Naruto Kai (72 episodes) as Tsunade (voice)
2016 Regalia: The Three Sacred Stars (13 episodes) as Margaret Burnley (voice)
2014 The Last: Naruto the Movie as Tsunade (voice)
2012 .hack//Beyond the World as Yuuka Kamachi/K-Kei (voice)
2007 Naruto Shippuden: The Movie as Tsunade, The Fifth Hokage (voice)
2007 Naruto Shippūden (512 episodes) as Tsunade
2006 Arms Alchemy (26 episodes) as Alexandria Powered
2006 The Familiar of Zero (58 episodes) as Sheffield
2006 Mobile Suit Zeta Gundam A New Translation III: Love is the Pulse of the Stars as Reccoa Londe (voice)
2005 Mobile Suit Zeta Gundam A New Translation I: Heirs to the Stars as Reccoa Londe (voice)
2005 Glass Mask (51 episodes) as Utako Himekawa
2004 Nitaboh as Tamana
2002 Naruto (62 episodes) as Tsunade
2002 .hack (1 episode) as Mimika (voice)
2001 Great Dangaioh (13 episodes) as Chiho Kazamaki
2001 Salaryman Kintaro (20 episodes) as Kyoko Sakurai (voice)
2000 Sin: The Movie as Kait Palmer
2000 Strange Dawn (13 episodes) as Levian
1999 Gundress as Takako Houraiji
1999 Harlock Saga (6 episodes) as Emeraldas
1998 Kurogane Communication (24 episodes) as Lavinia
1998 Golgo 13: Queen Bee as Sonia / Queen Bee
1998 Knight Hunters (40 episodes) as Hell
1997 Business Commando Yamazaki as Kirika as Takurou Yamazaki
1997 Fujimi Block No. 2 Symphony Orchestra as Natsuko Kawashima
1996 Bakusō Kyōdai Let's & Go!! WGP Bōsō Mini Yonku Dai Tsuiseki! as Tamami Yanagi
1995 Sailor Moon Super S: The Movie as Sailor Neptune / Michiru Kaiou
1995 Miyuki-chan in Wonderland (2 episodes) as Humpty Dumpty (voice)
1995 Princess Minerva as Dynastar
1994 Sailor Moon S the Movie: Hearts in Ice as Michiru Kaiô / Sailor Neptune (voice)
1994 Genocyber as Maira
1993 Art of Fighting as King
1993 Ninja Scroll as Zakuro
1992 Appleland Story as Arianna
1991 Monkey Punch's Alice as Alice
1991 The Heroic Legend of Arslan as Farangis
1991 Trapp Family Story (41 episodes) as Maria
1990 New Dream Hunter Rem (1 episode) as Demonic lady (voice)
1990 Maroko as Maroko Yomota (voice)
1990 My Daddy Long Legs (40 episodes) as Mary Lambart
1989 Hades Project: Zeorymer Extinction as Rockfell (voice)
1988 Gunbuster as Kimiko Akai / Reiko Kashiwara
1988 Legend of the Galactic Heroes (165 episodes) as Hildegard von Mariendorf (voice)
1988 Ronin Warriors (39 episodes)
1988 Appleseed as Deunan Knute (voice)
1988 Sonic Soldier Borgman (33 episodes) as Memory Gene
1988 Doctor Chichibuyama as Nurse
1988 Hades Project: Zeorymer Separation as Rockfell (voice)
1987 Relic Armor Legaciam as Fermis Reek
1987 Taiman Blues Naoto Shimizu Chapter
1987 Take the X Train
1987 Great Planet Evil-Destroyer Dangaio as Shazara(ep 2)
1987 Lily C.A.T. as Nancy Stroustrup
1987 Dead Heat as Maria
1987 Digital Devil Story - Goddess Reborn as Izanami (voice)
1987 Metal Armor Dragonar (48 episodes) as Diane Lance
1986 Galaxy Investigation 2100: Border Planet as Mira
1986 Arion as Athena (voice)
1985 Dream Hunter Rem (1 episode) as Saeko Asuka (voice)
1985 Mobile Suit Zeta Gundam (53 episodes) as Reccoa Londe
1983 Super Dimension Century Orguss (41 episodes) as Athena Henderson
1983 Special Armored Battalion Dorvack (36 episodes) as Peter
1983 Future Police Urashiman (46 episodes) as Miyah
1982 White Fang Story as Mary Scott (voice)
1975 Super Sentai (7 episodes) as NejiYellow

By signing up for an account on TMDb, you can post directly to Twitter and Facebook.

You need to be logged in to continue. Click here to login or here to sign up.


s focus the search bar
p open profile menu
esc close an open window
? open keyboard shortcut window

On media pages

b go back (or to parent when applicable)
e go to edit page

On TV season pages

(right arrow) go to next season
(left arrow) go to previous season

On TV episode pages

(right arrow) go to next episode
(left arrow) go to previous episode

On all image pages

a open add image window

On all edit pages

t open translation selector
ctrl+ s submit form

On discussion pages

n create new discussion
w toggle watching status
p toggle public/private
c toggle close/open
a open activity
r reply to discussion
l go to last reply
ctrl+ enter submit your message
(right arrow) next page
(left arrow) previous page