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Keiko Watanabe

Keiko Watanabe

Actor · Born March 29, 1987 (39) · Saitama, Japan

Keiko Watanabe (渡部 恵子, Watanabe Keiko, March 29, 1987) is a Japanese voice actress from Saitama Prefecture. Currently freelance, previously she was affiliated with Crazy Box until November 30, 2019.

Biography from TMDB.

Born
March 29, 1987 (39)
From
Saitama, Japan
Works as
Actor
Titles
8 on Motif · 14 credits in all
Links
IMDb (opens in a new tab)TMDB (opens in a new tab)Official site (opens in a new tab)Wikidata (opens in a new tab)

Known for

TMDB popularity, last 39 days to Oct 28Up 6% in 30 days

Where can I watch Keiko Watanabe's films?

As of October 24, 2026, all 8 Motif titles stream on a subscription or free service, most on Crunchyroll (7).

Also on these channels

Subscription and free streaming for Keiko Watanabe's titles on Motif; rent and buy are not counted. Titles are listed by Motif score, highest first, at most 12 per service; a dashed chip is a producer credit or a minor one, such as a thanks.

Filmography

14 credits, 8 with a Motif page.

  • THE IDOLM@STER MILLION LIVE! 13thLIVE DAY2 Grand bal masqué (not in the Motif catalog yet)(2026)

    as 周防桃子

  • Heroine? Saint? No, I'm an All-Works Maid (And Proud of It)!(2026)

    Show as Marianna Rudleberg

    Motif score: 59th percentile of all shows (provisional, few ratings)

  • Once Upon a Witch's Death(2025)

    Show 1 episode · as Female Newscaster (voice)

    Motif score: 43rd percentile of all shows

  • Welcome to Japan, Ms. Elf!(2025)

    Show 1 episode · as Kazuhiro Kitase (child) (voice) · as Kazuhiro Kitase (young) (voice)

    Motif score: 54th percentile of all shows

  • THE IDOLM@STER MILLION LIVE! 9thLIVE ChoruSp@rkle!! (not in the Motif catalog yet)(2023)

    Actor

  • Chillin' in My 30s After Getting Fired from the Demon King's Army(2023)

    Show 5 episodes · as Erica (voice) · as Erica / Gran (voice) · as Gran (voice) · as Vesper (voice)

    Motif score: 44th percentile of all shows

  • Uma Musume Pretty Derby 3rd EVENT "WINNING DREAM STAGE" (not in the Motif catalog yet)(2022)

    as Narita Taishin

  • I'm Quitting Heroing(2022)

    Show 1 episode · as Devil's Bard (voice)

    Motif score: 38th percentile of all shows

  • World's End Harem(2021)

    Show 11 episodes · as Rea Katagiri (voice)

    Motif score: 20th percentile of all shows

  • The Faraway Paladin(2021)

    Show 7 episodes · as Anna (voice)

    Motif score: 44th percentile of all shows

  • THE IDOLM@STER 765 MILLIONSTARS HOTCHPOTCH FESTIV@L!! (not in the Motif catalog yet)(2018)

    as Momoko Suou

  • Urawa no Usagi-chan (not in the Motif catalog yet)(2015)

    Show 24 episodes · as Ooya ba minami (vioce)

  • True Tears(2008)

    Show 3 episodes · as Basketball Club Member No. 10 (voice) · as Female Student A (voice) · as Female Student B (voice) · as Mikiko (voice) · as Regular Student A (voice) · as Regular Student F (voice)

    Motif score: 47th percentile of all shows

  • THE IDOLM@STER M@STERS OF IDOL WORLD 2025 (not in the Motif catalog yet)

    as Momoko Suou

Career shape

Highest rated

Chillin' in My 30s After Getting Fired from the Demon King's Army (2023)

Motif 44th