Masako Katsuki, a celebrated and accomplished Japanese voice actress, was born as Masako Shiiono, a name that has been inextricably linked with her formative years and professional trajectory, serving as a constant reminder of her humble beginnings and the foundation upon which her remarkable career was built.
Biography
Career
{"id":1033,"title":"Naruto","year":2025,"character":"Tsunade (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/naruto","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/shows\/poster\/3h4f4u8rpk90.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/shows\/poster\/3h4f4u8rpk90.jpg"},"released":0}
2025

Naruto as Tsunade (voice)
{"id":103842750,"title":"Raven of the Inner Palace","year":2022,"character":"Empress Dowager (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/raven-of-the-inner-palace","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103842750.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103842750.jpg"},"released":1}
2022

Raven of the Inner Palace as Empress Dowager (voice)
{"id":103842857,"title":"Gunjou no Fanfare","year":2022,"character":"Naoko Saionji (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/gunjou-no-fanfare","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/shows\/poster\/5gsucvlodse0.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/shows\/poster\/5gsucvlodse0.jpg"},"released":1}

Gunjou no Fanfare as Naoko Saionji (voice)
{"id":103843656,"title":"The Faraway Paladin","year":2021,"character":"Marple (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/the-faraway-paladin","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/shows\/poster\/5icc6cq1lq20.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/shows\/poster\/5icc6cq1lq20.jpg"},"released":1}
2021

The Faraway Paladin as Marple (voice)
{"id":103846020,"title":"Magatsu Wahrheit: Zuerst","year":2020,"character":"Marie (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/magatsu-wahrheit-zuerst","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103846020.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103846020.jpg"},"released":1}
2020

Magatsu Wahrheit: Zuerst as Marie (voice)
{"id":103842355,"title":"Cautious Hero: The Hero Is Overpowered but Overly Cautious","year":2019,"character":"Leviae (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/cautious-hero-the-hero-is-overpowered-but-overly-cautious","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/shows\/poster\/42n2cbigd4f0.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/shows\/poster\/42n2cbigd4f0.jpg"},"released":1}
2019

Cautious Hero: The Hero Is Overpowered but Overly Cautious as Leviae (voice)
{"id":222393,"title":"Detective Conan: Crimson Love Letter","year":"2017","character":"Shizuka Hattori (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/detective-conan-crimson-love-letter","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_222393.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_222393.jpg"},"released":1}
2017

Detective Conan: Crimson Love Letter as Shizuka Hattori (voice)
{"id":20103,"title":"The Last: Naruto the Movie","year":"2014","character":"Tsunade (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/the-last-naruto-the-movie","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/movies\/poster\/13oj187rvm3g.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/movies\/poster\/13oj187rvm3g.jpg"},"released":1}
2014

The Last: Naruto the Movie as Tsunade (voice)
{"id":12524,"title":"Road to Ninja - Naruto the Movie","year":"2012","character":"Tsunade (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/road-to-ninja-naruto-the-movie","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_12524.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_12524.jpg"},"released":1}
2012

Road to Ninja - Naruto the Movie as Tsunade (voice)
{"id":12036,"title":"Naruto Shippuden the Movie: Blood Prison","year":"2011","character":"Tsunade, The Fifth Hokage (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/naruto-shippuden-the-movie-blood-prison","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_12036.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_12036.jpg"},"released":1}
2011

Naruto Shippuden the Movie: Blood Prison as Tsunade, The Fifth Hokage (voice)
{"id":216210,"title":"Naruto Shippuden: The Movie - Bonds","year":"2008","character":"Tsunade, The Fifth Hokage (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/naruto-shippuden-the-movie-bonds","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_216210.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_216210.jpg"},"released":1}
2008

Naruto Shippuden: The Movie - Bonds as Tsunade, The Fifth Hokage (voice)
{"id":216135,"title":"Naruto Shipp\u00fbden: The Movie","year":"2007","character":"Tsunade, The Fifth Hokage (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/naruto-shippuden-the-movie","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_216135.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_216135.jpg"},"released":1}
2007

Naruto Shippûden: The Movie as Tsunade, The Fifth Hokage (voice)
{"id":1246,"title":"Naruto: Shippuden","year":2007,"character":"Tsunade (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/naruto-shippuden","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/shows\/poster\/7stdcet8vvr0.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/shows\/poster\/7stdcet8vvr0.jpg"},"released":1}

Naruto: Shippuden as Tsunade (voice)
{"id":103842180,"title":"The Familiar of Zero","year":2007,"character":"Sheffield (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/the-familiar-of-zero","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/shows\/poster\/1dhlg7tqter0.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/shows\/poster\/1dhlg7tqter0.jpg"},"released":1}

The Familiar of Zero as Sheffield (voice)
{"id":53721,"title":"Sin: The Movie","year":"2000","character":"Kait Palmer (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/sin-the-movie","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_53721.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_53721.jpg"},"released":1}
2000

Sin: The Movie as Kait Palmer (voice)
{"id":225408,"title":"Sailor Moon SuperS: The Movie: Black Dream Hole","year":"1995","character":"Michiru Kaiou \/ Sailor Neptune (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/sailor-moon-supers-the-movie-black-dream-hole","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_225408.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_225408.jpg"},"released":1}
1995

Sailor Moon SuperS: The Movie: Black Dream Hole as Michiru Kaiou / Sailor Neptune (voice)
{"id":58162,"title":"Darkside Blues","year":"1994","character":"Tamaki (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/darkside-blues","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_58162.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_58162.jpg"},"released":1}
1994

Darkside Blues as Tamaki (voice)
{"id":225409,"title":"Sailor Moon S: The Movie - Hearts in Ice","year":"1994","character":"Michiru Kai\u00f4 \/ Sailor Neptune (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/sailor-moon-s-the-movie-hearts-in-ice","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_225409.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_225409.jpg"},"released":1}

Sailor Moon S: The Movie - Hearts in Ice as Michiru Kaiô / Sailor Neptune (voice)
{"id":103853191,"title":"Genocyber","year":1994,"character":"Myra","permalink":"https:\/\/streambutter.com\/us\/show\/genocyber","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/"},"released":1}
Genocyber as Myra
{"id":12385,"title":"Ninja Scroll","year":"1993","character":"Zakuro (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/ninja-scroll","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/movies\/poster\/h4tk0shpla80.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/movies\/poster\/h4tk0shpla80.jpg"},"released":1}
1993

Ninja Scroll as Zakuro (voice)
{"id":93459,"title":"Crying Freeman","year":"1991","character":"Kimie Hanada (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/crying-freeman-1991","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/movie_93459.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/movie_93459.jpg"},"released":1}
1991

Crying Freeman as Kimie Hanada (voice)
{"id":103846062,"title":"Dear Brother","year":1991,"character":"Aya Misaki","permalink":"https:\/\/streambutter.com\/us\/show\/dear-brother","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/shows\/poster\/79q60uh7n2a0.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/shows\/poster\/79q60uh7n2a0.jpg"},"released":1}

Dear Brother as Aya Misaki
{"id":103852779,"title":"Torappu ikka monogatari","year":1991,"character":"Maria","permalink":"https:\/\/streambutter.com\/us\/show\/torappu-ikka-monogatari","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103852779.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103852779.jpg"},"released":1}

Torappu ikka monogatari as Maria
{"id":8404,"title":"Mad Bull 34","year":1990,"character":"Cindy Murphy (ep 4)","permalink":"https:\/\/streambutter.com\/us\/show\/mad-bull-34","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_8404.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_8404.jpg"},"released":1}
1990

Mad Bull 34 as Cindy Murphy (ep 4)
{"id":103845043,"title":"My Daddy Long Legs","year":1990,"character":"Mary Lambart","permalink":"https:\/\/streambutter.com\/us\/show\/my-daddy-long-legs","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103845043.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103845043.jpg"},"released":1}

My Daddy Long Legs as Mary Lambart
{"id":103845258,"title":"The Legend of the Dog Warriors: The Hakkenden","year":1990,"character":"Funamushi (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/the-legend-of-the-dog-warriors-the-hakkenden","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103845258.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103845258.jpg"},"released":1}

The Legend of the Dog Warriors: The Hakkenden as Funamushi (voice)
{"id":103845556,"title":"Dream Hunter Rem","year":1990,"character":"Demonic lady (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/dream-hunter-rem","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103845556.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103845556.jpg"},"released":1}

Dream Hunter Rem as Demonic lady (voice)
{"id":103842070,"title":"Ranma \u00bd","year":1989,"character":"Yang Gui Fei (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/ranma","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/shows\/poster\/ot7g32c42lg0.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/shows\/poster\/ot7g32c42lg0.jpg"},"released":1}
1989

Ranma ½ as Yang Gui Fei (voice)
{"id":103852687,"title":"Dragon Warrior","year":1989,"character":"Tiara (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/dragon-warrior","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103852687.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103852687.jpg"},"released":1}

Dragon Warrior as Tiara (voice)
{"id":60898,"title":"Appleseed","year":"1988","character":"Deunan Knute (voice)","permalink":"https:\/\/streambutter.com\/us\/movie\/appleseed-1988","type":"movie","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/movies\/poster\/p586spdib5o0.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/movies\/poster\/p586spdib5o0.jpg"},"released":1}
1988

Appleseed as Deunan Knute (voice)
{"id":103842476,"title":"Mashin Hero Wataru","year":1988,"character":"","permalink":"https:\/\/streambutter.com\/us\/show\/mashin-hero-wataru","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103842476.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103842476.jpg"},"released":1}
{"id":103843530,"title":"Legend of the Galactic Heroes","year":1988,"character":"Hildegard von Mariendorf (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/legend-of-the-galactic-heroes","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/images\/fanart\/shows\/poster\/1fa97hl0h5t0.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/images\/fanart\/shows\/poster\/1fa97hl0h5t0.jpg"},"released":1}

Legend of the Galactic Heroes as Hildegard von Mariendorf (voice)
{"id":103851906,"title":"Yoroiden Samurai Troopers","year":1988,"character":"Kayura","permalink":"https:\/\/streambutter.com\/us\/show\/yoroiden-samurai-troopers","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103851906.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103851906.jpg"},"released":1}

Yoroiden Samurai Troopers as Kayura
{"id":103852638,"title":"Sonic Soldier Borgman","year":1988,"character":"Memory Gene","permalink":"https:\/\/streambutter.com\/us\/show\/sonic-soldier-borgman","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103852638.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103852638.jpg"},"released":1}

Sonic Soldier Borgman as Memory Gene
{"id":103845779,"title":"Metal Armor Dragonar","year":1987,"character":"Diane Lance","permalink":"https:\/\/streambutter.com\/us\/show\/metal-armor-dragonar","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103845779.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103845779.jpg"},"released":1}
1987

Metal Armor Dragonar as Diane Lance
{"id":2522,"title":"Mobile Suit Zeta Gundam","year":1985,"character":"Reccoa Londe (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/mobile-suit-zeta-gundam","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_2522.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_2522.jpg"},"released":1}
1985

Mobile Suit Zeta Gundam as Reccoa Londe (voice)
{"id":103846196,"title":"Garasu no kamen","year":1984,"character":"Maya Kitajima (voice)","permalink":"https:\/\/streambutter.com\/us\/show\/garasu-no-kamen","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103846196.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103846196.jpg"},"released":1}
1984

Garasu no kamen as Maya Kitajima (voice)
{"id":103852382,"title":"Future Police Urashiman","year":1983,"character":"Miyah","permalink":"https:\/\/streambutter.com\/us\/show\/future-police-urashiman","type":"show","srcset":{"1x":"https:\/\/img.streambutter.com\/img\/90x135\/thumbs\/show_103852382.jpg","2x":"https:\/\/img.streambutter.com\/img\/180x270\/thumbs\/show_103852382.jpg"},"released":1}
1983

Future Police Urashiman as Miyah