The following is a list of voice actors for both the English and Japanese versions of Fire Emblem Heroes. Most of the voice actors for characters in previous games, especially Awakening and Fates, reprise their roles for this game. Kana Akatsu, who voices Tharja and Cherche, has been replaced by Yuuki Takada in the Japanese version.
Voice Cast
| Character | Japanese | English |
|---|---|---|
| Alfonse | Tatsuhisa Suzuki | Ray Chase |
| Sharena | Maaya Uchida | Julie Maddalena |
| Anna | Saori Seto | Karen Strassman |
| Veronica | Rina Hidaka | Wendee Lee |
| Bruno | Shinichiro Miki | Taliesin Jaffe |
| Marth | Hikaru Midorikawa | Yuri Lowenthal |
| Caeda | Saori Hayami | Cherami Leigh |
| Abel | Takuya Satou | Mick Wingert |
| Cain | Toshiki Masuda | Taliesin Jaffe |
| Draug | Ryota Takeuchi | Patrick Seitz |
| Gordin | Ayumu Murase | Max Mittelman |
| Jagen | Shirou Gou | Walden James |
| Wrys | Kentarou Toone | DC Douglas |
| Ogma | Juurouta Kosugi | Travis Willingham |
| Barst | Daiki Hamano | DC Douglas |
| Navarre | Takehito Koyasu | Taliesin Jaffe |
| Merric | Souichirou Hoshi | Yuri Lowenthal |
| Jeorge | Junji Majima | Mick Wingert |
| Minerva | Ayane Sakura | Cindy Robinson |
| Maria | Aya Suzaki | Wendee Lee |
| Linde | Asami Seto | Julie Ann Taylor |
| Palla | Risa Taneda | Laura Bailey |
| Catria | Hitomi Nabatame | Julianne Alexander |
| Est | Rie Murakawa | Brianna Knickerbocker |
| Tiki (Young) | Sumire Morohoshi | Mela Lee |
| Roderick | Taku Yashiro | Christian La Monte |
| Luke | Yuuichiro Umehara | Edward Bosco |
| Sheena | Yuu Kobayashi | Lauren Landa |
| Athena | Yoko Hikasa | Cristina Valenzuela |
| Katarina | Kana Yuuki | Kira Buckland |
| Camus | Kazuhiko Inoue | Travis Willingham |
| Michalis | Jun Fukushima | David Vincent |
| Clarisse | Cassandra Lee Morris | |
| Legion | Teruyuki Tanzawa | Christopher Corey Smith |
| Alm | Natsuki Hanae | Kyle McCarley |
| Clair | Aya Endo | Alexis Tipton |
| Lukas | Takahiro Sakurai | Greg Chun |
| Faye | Atsumi Tanezaki | Amber Connor |
| Celica | Nao Tōyama | Erica Lindbeck |
| Boey | Takuma Sasaki | Chris Hackney |
| Mae | Eri Inagawa | Cherami Leigh |
| Genny | Yuki Horinaka | Eden Riegel |
| Seliph | Yuuma Uchida | Christian La Monte |
| Julia | Ayane Sakura | Cassandra Lee Morris |
| Eldigan | Junji Majima | Greg Chun |
| Lachesis | Saori Oonishi | Cristina Valenzuela |
| Olwen | Mikako Takahashi | Erin Fitzgerald |
| Reinhardt | Kentaro Tone | Christopher Corey Smith |
| Roy | Jun Fukuyama | Ray Chase |
| Lilina | Ari Ozawa | Julie Maddalena |
| Shanna | Nao Shiroki | Marisha Ray |
| Clarine | Runa Onodera | Hunter MacKenzie Austin |
| Klein | Yusuke Ota | Edward Bosco |
| Gwendolyn | Toa Yukinari | Cherami Leigh |
| Fir | Yoko Hikasa | Natalie Lander |
| Bartre | Kentarou Toone | Kyle Hebert |
| Raigh | Natsumi Fujiwara | Sam Riegel |
| Cecilia | Toa Yukinari | Cherami Leigh |
| Sophia | Saori Oonishi | Wendee Lee |
| Fae | Ari Ozawa | Sarah Blandy |
| Narcian | Kousuke Toriumi | Kaiji Tang |
| Zephiel | Kenichirou Matsuda | Jamieson Price |
| Eliwood | Sakurai Takahiro | Yuri Lowenthal |
| Hector | Kousuke Toriumi | Patrick Seitz |
| Lyn | Makiko Ohmoto | Wendee Lee |
| Florina | Nao Shiroki | Julie Maddalena |
| Serra | Ari Ozawa | Kate Higgins |
| Matthew | Souichirou Hoshi | Benjamin Diskin |
| Lucius | Toa Yukinari | Michael Sinterniklaas |
| Rebecca | Chinami Hashimoto | Hunter MacKenzie Austin |
| Priscilla | Chinami Hashimoto | Marcella Lentz-Pope |
| Raven | Yuuichiro Umehara | Bryce Papenbrook |
| Ninian | Aya Suzaki | Brianna Knickerbocker |
| Hawkeye | Teruyuki Tanzawa | Jamieson Price |
| Karel | Junji Majima | Bryce Papenbrook |
| Nino | Kana Yuuki | Sarah Blandy |
| Jaffar | Yuuma Uchida | Walden James |
| Lloyd | Kaiji Tang | |
| Ursula | Kaori Mizuhashi | Misty Lee |
| Eirika | Kaori Mizuhashi | Kira Buckland |
| Ephraim | Taku Yashiro | Greg Chun |
| Ike | Michihiko Hagi | Greg Chun |
| Mist | Enomoto Atsuko | Sarah Williams |
| Soren | Ayumu Murase | Kyle McCarley |
| Titania | Miyagawa Miho | Misty Lee |
| Sanaki | Mai Nakahara | Erin Fitzgerald |
| Chrom | Tomokazu Sugita | Matthew Mercer |
| Robin (Male) | Yoshimasa Hosoya | David Vincent |
| Robin (Female) | Miyuki Sawashiro | Lauren Landa |
| Lucina | Yu Kobayashi | Laura Bailey Alexis Tipton (post-release) |
| Lissa | Kana Asumi | Kate Higgins |
| Frederick | Daisuke Ono | Kyle Hebert |
| Sully | Momoko Oohara | Amanda C. Miller |
| Virion | Hiromichi Kogami | Jamieson Price |
| Stahl | Tarusuke Shingaki | Sam Riegel |
| Lon'qu | Takehito Koyasu | Travis Willingham |
| Gaius | Shinobu Matsumoto | Ray Chase |
| Cordelia | Eimi Okada | Julie Ann Taylor |
| Nowi | Kumi Tanaka | Hunter MacKenzie Austin |
| Tharja | Yuuki Takada | Stephanie Sheh |
| Olivia | Rei Matsuzaki | Karen Strassman |
| Cherche | Yuuki Takada | Amanda C. Miller |
| Henry | Akemi Okamura | Bryce Papenbrook |
| Donnel | Mitsuhiro Ichiki | Sam Riegel |
| Tiki (Adult) | Ikue Ohtani | Mela Lee |
| Corrin (Male) | Nobunaga Shimazaki | Cam Clarke |
| Corrin (Female) | Satomi Satou | Marcella Lentz-Pope |
| Azura | Lynn | Rena Strober |
| Ryoma | Yuichi Nakamura | Matthew Mercer |
| Hinoka | Kaori Nazuka | Cindy Robinson |
| Takumi | Yuuki Kaji | Michael Sinterniklaas |
| Sakura | Hisako Kanemoto | Brianna Knickerbocker |
| Xander | Katsuyuki Konishi | David Stanbra |
| Camilla | Miyuki Sawashiro | Misty Lee |
| Leo | Mamoru Miyano | Max Mittelman |
| Elise | Ayaka Suwa | Natalie Lander |
| Felicia | Nozomi Sasaki | Julianne Alexander |
| Jakob | Junichi Suwabe | Benjamin Diskin |
| Gunter | Rokurō Naya | DC Douglas |
| Saizo | Tarusuke Shingaki | Benjamin Diskin |
| Kagero | Rie Murakawa | Sarah Blandy |
| Azama | Kenji Hamada | Matthew Mercer |
| Setsuna | Ayako Ishikawa | Julianne Alexander |
| Hinata | Mitsuhiro Ichiki | Cam Clarke |
| Oboro | Nozomi Sasaki | Marisha Ray |
| Hana | Yayoi Sugaya | Karen Strassman |
| Subaki | Takamasa Mogi | Walden James |
| Inigo/Laslow | Ryuuichi Kijima | Mick Wingert |
| Peri | Minami Takahashi | Cindy Robinson |
| Severa/Selena | Saori Seto | Julie Ann Taylor |
| Beruka | Masumi Tazawa | Stephanie Sheh |
| Owain/Odin | Hidenori Takahashi | Kaiji Tang |
| Niles | Takehito Koyasu | Michael Sinterniklaas |
| Effie | Yuuki Kuwahara | Marisha Ray |
| Arthur (Fates) | Riki Kitazawa | Cam Clarke |
| Charlotte | Brianna Knickerbocker |