The following is a list of voice actors and actresses for both the English and Japanese versions of Fire Emblem: Three Houses.
Voice Cast List
| Character | Japanese | English |
|---|---|---|
| Byleth (Male) | Yūsuke Kobayashi | Zach Aguilar Chris Niosi (Former) |
| Byleth (Female) | Shizuka Ito | Jeannie Tirado |
| Edelgard | Ai Kakuma | Tara Platt Cristina Vee (2018 Trailer) |
| Dimitri | Kaito Ishikawa | Chris Hackney |
| Claude | Toshiyuki Toyonaga | Joe Zieja |
| Hubert | Katsuyuki Konishi | Robbie Daymond |
| Dorothea | Juri Nagatsuma | Allegra Clark |
| Ferdinand | Taito Ban | Billy Kametz |
| Bernadetta | Ayumi Tsuji | Erica Mendez |
| Caspar | Satoru Murakami | Ben Diskin |
| Petra | Shizuka Ishigami | Faye Mata |
| Linhardt | Shun Horie | Chris Patton |
| Dedue | Hidenori Takahashi | Ben Lepley |
| Felix | Yuichi Jose | Lucien Dodge |
| Mercedes | Yumiri Hanamori | Dorothy Elias-Fahn |
| Ashe | Yūki Inoue | Shannon Mckain |
| Annette | Takako Tanaka | Abby Trott |
| Sylvain | Makoto Furukawa | Joe Brogie |
| Ingrid | Manaka Iwami | Brittany Cox |
| Lorenz | Hiroshi Watanabe | Ben Diskin |
| Hilda | Yūki Kuwahara | Salli Saffioti |
| Raphael | Takaki Otomari | Zachary Rice |
| Lysithea | Aoi Yūki | Janice Roman Roku |
| Ignatz | Shougo Yano | Christian La Monte |
| Marianne | Sawako Hata | Xanthe Huynh |
| Leonie | Sakura Nogawa | Ratana |
| Jeralt | Akio Ōtsuka | David Lodge |
| Rhea | Kikuko Inoue | Cherami Leigh |
| Sothis | Tomoyo Kurosawa | Cassandra Lee Morris |
| Manuela | Sachiko Kojima | Veronica Taylor |
| Hanneman | Kenji Hamada | W. T. Falke |
| Catherine | Chie Matsuura | Laura Post |
| Alois | Manabu Sakamaki | Dave B. Mitchell |
| Seteth | Takehito Koyasu | Mark P. Whitten |
| Flayn | Yuko Ono | Deva Marie Gregory |
| Jeritza | Atsushi Imaruoka | Patrick Seitz |
| Tomas/Solon | Shinya Fukumatsu | Joe Ochman |
| Gilbert | Hiriomichi Kogami | Doug Stone |
| Shamir | Yurina Watanabe | Allegra Clark |
| Cyril | Kengo Kawanishi | Griffin Burns |
| Kostas | Yoshikazu Nagano | Brad Venable |
| Lonato | Kazuhiro Anzai | Dave B. Mitchell |
| Rodrigue | Taira Kikumoto | Jake Eberle |
| Judith | Yoko Soumi | Rachel Robinson |
| Thales | Masaki Terasoma | Christopher Corey Smith |
| Kronya/Monica | Marika Kōno | Colleen O'Shaughnessey |
| Anna | Saori Seto | Karen Strassman |
| Seiros | Kikuko Inoue | Cherami Leigh |
| Nemesis | Naomi Kusumi | Jamieson Price |
| Cornelia | Akemi Okamura | Jessica Gee-George |
| Volkhard | Masaki Terasoma | Chris Smith |
| Lambert | Shinobu Matsumoto | Patrick Seitz |
| Miklan | Daisuke Endo | Armen Taylor |
| Randolph | Jun Konno | Ben Pronsky |
| Ionius IX | Kouichi Souma | Paul St. Peter |
| Gwendal | Ryo Sugisaki | Michael Sorich |
| Fleche | Yui Nakajima | Eden Riegel |
| Metodey | Takahiro Miwa | Todd Haberkorn |
| Ladislava | Noriko Namiki | Katelyn Gault |
| Acheron | Ryou Nishitani | Doug Erholtz |
| Pallardó | Tasuku Kida | Joe J. Thomas |
| Nader | Ryo Sugisaki | Brad Venable |
| Gatekeeper | Shinobu Matsumoto | Kyle McCarley |
| Yuri | Junya Enoki | Alejandro Saab |
| Balthus | Subaru Kimura | Aaron Hedrick |
| Constance | Sarah Emi Bridcutt | Kirsten Day |
| Hapi | Sachika Misawa | Christine Marie Cabanos |
| Aelfric | Daisuke Hirakawa | Michael Sinterniklaas |
Additional Voices
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