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Masami Iwasaki

Masami Iwasaki

Actor · Born October 25, 1971 (55) · Tokyo, Japan

Masami Iwasaki (岩崎 征実, Iwasaki Masami) is a Japanese voice actor. Many of his roles are minions or ruffians.

Biography from TMDB.

Born
October 25, 1971 (55)
From
Tokyo, Japan
Works as
Actor
Titles
19 on MovieCove · 48 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 155 days to Oct 26Down 15% in 30 days

What are Masami Iwasaki's films like?

Across their 6 MovieCove titles with a thematic analysis, their films lean Bonds and Morality.

Themes

share of theme weight
Bonds
24%
Morality
21%
Survival
21%
Self
16%
Ideas
10%
Society
7%
Survival2 titles, browse their movies with this themeFriendship3 titles, browse their movies with this themeJustice2 titles, browse their movies with this themeMemory2 titles, browse their movies with this themeIsolation2 titles, browse their movies with this theme

What they feel like to watch

their average across 3 films
ToneFeelDemandtheir average · filled zone: the category
Stylized: How far its world departs from everyday reality. Browse their stylized movies.
Tone · Style
naturalisticheightened

Grounded 0 · Stylized 2 · Heightened 1

Charged: How hard the emotional peaks hit while you watch. Browse their charged movies.
Feel · Intensity
gentleintense

Gentle 1 · Charged 2 · Intense 0

Steady: How much it swings between very different feelings. Browse their steady movies.
Feel · Swings
steadyswings

Steady 2 · Shifting 1 · Whiplash 0

Straight-faced: How much of the runtime is played for laughs. Browse their straight-faced movies.
Feel · Humor
noneconstant

Straight-faced 2 · Some laughs 1 · Funny 0

Slow burn: How fast it moves from scene to scene. Browse their slow burn movies.
Demand · Pace
slowrelentless

Slow burn 2 · Even-paced 1 · Relentless 0

Engaged: How much focus it asks of you — look away and lose the thread? Browse their engaged movies.
Demand · Attention
casualfull focus

Casual 1 · Engaged 2 · Full focus 0

Open-ended: How much is left for you to interpret. Browse their open-ended movies.
Demand · Resolution
resolvedambiguous

A split, not a type: Resolved 1 · Open-ended 0 · Ambiguous 2

Roles they play

2 analyzed roles

Moods and endings

endings are an aggregate; no title is named

Dominant moods · mentions across their titles

Melancholic
4
Tense
3
Contemplative
2
Thrilling
2
Hopeful
3
Other
3

How their films linger

Hopeful3 titles, browse their movies with this aftertasteWistful2 titles, browse their movies with this aftertasteFun2 titles, browse their movies with this aftertaste

How their films end · 1 with a twist

  • Bittersweet4
  • Ambiguous2

AI-generated from each title's plot synopsis and cast list, with extra plot summaries, reviews and Parents Guide notes for titles the model may not know, and the model's own knowledge of the ones it recognizes. Only analyzed titles count, so this covers part of the filmography; the feel axes count films only for now.

Where can I watch Masami Iwasaki's films?

As of October 24, 2026, all 19 MovieCove titles stream on a subscription or free service, most on Crunchyroll (13).

Also on these channels

Subscription and free streaming for Masami Iwasaki's titles on MovieCove; rent and buy are not counted. Titles are listed by Midcredits score, highest first, at most 12 per service; a dashed chip is a producer credit or a minor one, such as a thanks. A service opens the browse page, which counts movies only, so its number can differ.

Filmography

48 credits, 19 with a MovieCove page.

  • Gachiakuta(2025)

    Show 1 episode · as Delmon (voice)

    Midcredits score: 95th percentile of all shows

  • Fermat Kitchen(2025)

    Show 3 episodes · as Chairman Kagekatsu Saimon (voice)

    Midcredits score: 44th percentile of all shows

  • Yakuza Fiancé: Raise wa Tanin ga Ii(2024)

    Show 3 episodes · as Naoya (voice)

    Midcredits score: 51st percentile of all shows

  • Overlord: The Sacred Kingdom(2024)

    as Orlando Campano (voice)

    Midcredits score: 85th percentile of all films

  • Pluto(2023)

    Show 1 episode · as Man (voice)

    Midcredits score: 92nd percentile of all shows

  • Dead Mount Death Play(2023)

    Show 1 episode · as Goro Shinoyama (voice)

    Midcredits score: 42nd percentile of all shows

  • Seirei Gensouki: Spirit Chronicles(2021)

    Show 1 episode · as Helmut Albor (voice)

    Midcredits score: 72nd percentile of all shows

  • Saikyou Kamizmode! (not in the MovieCove catalog yet)(2020)

    Show 2 episodes · as Nabekichi (voice) · as Piyo-chan (voice)

  • The God of High School (not in the MovieCove catalog yet)(2020)

    Show 3 episodes · as Jin Pumgwang (voice)

  • Gibiate(2020)

    Show as Brian

    Midcredits score: 2nd percentile of all shows

  • My Hero Academia: Heroes Rising(2019)

    as Yokumiru Mera (voice)

    Midcredits score: 97th percentile of all films

  • Nyanko on the Star Island (not in the MovieCove catalog yet)(2018)

    Show 26 episodes · as Grandon (グラドン)

  • The Prince of Tennis: Best Games!! Tezuka vs Atobe (not in the MovieCove catalog yet)(2018)

    Actor

  • Peacemaker Kurogane: Omo-michi(2018)

    as Kai Shimada (voice)

    Midcredits score: 67th percentile of all films (provisional, few ratings)

  • Time Bokan 24 (not in the MovieCove catalog yet)(2016)

    Show 24 episodes · as (voice)

  • Come Back! Shuriken Sentai Ninninger: Ninnin Girls vs. Boys FINAL WARS (not in the MovieCove catalog yet)(2016)

    as Advanced Youkai Nue (voice)

  • Ace Attorney(2016)

    Show 47 episodes · as Keisuke Itonokogiri (voice)

    Midcredits score: 36th percentile of all shows

  • Doubutsu Sentai Zyuohger (not in the MovieCove catalog yet)(2016)

    Show 1 episode · as Hanayaider

  • Shuriken Sentai Ninninger (not in the MovieCove catalog yet)(2015)

    Show 2 episodes · as Joukyuu Youkai Nue

  • Akame ga Kill!(2014)

    Show 24 episodes · as Borick (voice)

    Midcredits score: 85th percentile of all shows

  • My Mental Choices Are Completely Interfering with my School Romantic Comedy (not in the MovieCove catalog yet)(2013)

    Show 1 episode · as Karasu Yumeshima (voice)

  • Glitter Force Doki Doki (not in the MovieCove catalog yet)(2013)

    Show 49 episodes · Actor

  • JoJo's Bizarre Adventure(2012)

    Show 1 episode · as ZZ (voice)

    Midcredits score: 98th percentile of all shows

  • Strange Steel Fairy Rouran (not in the MovieCove catalog yet)(2012)

    Show 28 episodes · as Nakahara Genkai (voice)

  • Kamen Rider Fourze: Rocket Drill States of Friendship (not in the MovieCove catalog yet)(2012)

    as Suddendath Beta (voice)

  • Monsuno(2011)

    Show 52 episodes · as Klipse, Emmanuel (Japanese version)

    Midcredits score: 20th percentile of all shows

  • Suite Precure♪ (not in the MovieCove catalog yet)(2011)

    Show 48 episodes · Actor

  • .hack//Quantum (not in the MovieCove catalog yet)(2010)

    as Smith (voice)

  • Planzet (not in the MovieCove catalog yet)(2010)

    as Koshiro Akejima (voice)

  • Asylum Session (not in the MovieCove catalog yet)(2009)

    as Takayama (voice)

  • Guin Saga (not in the MovieCove catalog yet)(2009)

    Show 26 episodes · Actor

  • Natsume's Book of Friends(2008)

    Show 13 episodes · as Mushikui (voice)

    Midcredits score: 89th percentile of all shows

  • 5 Centimeters per Second(2007)

    as (voice)

    Midcredits score: 89th percentile of all films

  • Yonna in the Solitary Fortress (not in the MovieCove catalog yet)(2006)

    as Stan (voice)

  • Humanoid Monster Bem (not in the MovieCove catalog yet)(2006)

    Show 26 episodes · as Genpaku Hinata (voice)

  • Silver Fang Legend Weed (not in the MovieCove catalog yet)(2005)

    Show 5 episodes · as Batto (voice) · as Genba (voice)

  • Eyeshield 21 (not in the MovieCove catalog yet)(2005)

    Show 145 episodes · as Koji Kuroki

  • The Place Promised in Our Early Days(2004)

    as Emishi Seisakujo Koin / Eki Shanai Announce / Byoin Incho (voice)

    Midcredits score: 71st percentile of all films

  • Gin'yuu Mokushiroku Meine Liebe (not in the MovieCove catalog yet)(2004)

    Show 26 episodes · as Fritz (voice)

  • Dead Leaves(2004)

    as Sergeant (voice)

    Midcredits score: 86th percentile of all films

  • Gunslinger Girl(2003)

    Show 5 episodes · as Alfonso (voice)

    Midcredits score: 62nd percentile of all shows

  • Bomberman Jetters (not in the MovieCove catalog yet)(2002)

    Show 52 episodes · as Birdy

  • Fighting Foodons (not in the MovieCove catalog yet)(2001)

    Show 26 episodes · as Bakunouchi Tsukiji

  • R.O.D - Read or Die (not in the MovieCove catalog yet)(2001)

    as Drake Anderson

  • R.O.D: Read or Die (not in the MovieCove catalog yet)(2001)

    Show 3 episodes · as Drake Anderson (voice)

  • Transformers: Robots in Disguise (not in the MovieCove catalog yet)(2000)

    Show 39 episodes · as Build Cyclone / Wrecker Hook (voice)

  • Inventor Boy Kanipan (not in the MovieCove catalog yet)(1998)

    Show 21 episodes · as イゴール · as ギンジョー

  • Seijuu Sentai Gingaman (not in the MovieCove catalog yet)(1998)

    Show 1 episode · as Bazoogas (voice) · as Bulkie Bulkie (voice)

Career shape

Star power in the 94th percentile of 239,109 people with a billed film role, over a full career of 47 titles from 1998 to 2025; peak year 2003.

Biggest box office

5 Centimeters per Second (2007)

$7.2M worldwide

Highest rated

5 Centimeters per Second (2007)

Midcredits 89th

Most popular right now

Monsuno (2011)

Film career

19982025

Peak 2003 · steadily prominent in film for years. Film roles by billing, audience size and rating; 25+ votes. A show carries a single first-air date, so shows are not on the curve.

  • 2001Screen debut· R.O.D - Read or Die

By role

only this rolewith another role
Acting47 of 47: 47 only acting, 0 with another role · typical Midcredits score79th

By decade

1990s2 · acting2000s17 · acting2010s19 · acting2020s9 · acting

Billing

usually 8th · top billed in 0% of 5 roles

Counts from TMDB across their full career, self appearances out; a title counts in every role they held on it. The ring is the typical Midcredits score (the median percentile) of the role's titles that are on MovieCove, shown from 5 scored. Billing is TMDB cast order for roles with 25+ votes, billed in the top 30.

How do Masami Iwasaki's films land?

Their typical MovieCove film has a Midcredits score in the 86th percentile, the median of all 6; across a limited sample of 3 films with reception data, the typical film sits in the 72nd percentile for acclaim.

Acclaim · how much people like their films

72ndpercentile
Typical film, the median of 3

Approval · how many liked their films

75thpercentile
Typical film, the median of 3

Reach · how many have seen their films

90thpercentile
Typical film, the median of 3

Midcredits score across 19 titles, by percentile

  • 75th and up9
  • 50th to 74th5
  • 25th to 49th3
  • Below 25th2

Shape of the crowd

7 of their 19 titles are Crowd Pleasers.

  • Universally Loved5
  • Cult Classic2
  • Crowd Pleaser7
  • Mixed5

Most divisive · actor

Peacemaker Kurogane: Omo-michi (2018)

89th percentile spread · 26% rated it 4 or lower

Most loved · actor

My Hero Academia: Heroes Rising (2019)

Midcredits 97th · 85% liked

Percentiles are each film's standing among all films on MovieCove; the typical film is the median, so one outlier cannot drag it. Percentiles and reviewer scores count the films IMDb credits them on, for now; the Midcredits score bands, the shape of the crowd and the two cards count their MovieCove titles, shows included (a show ranked among shows), appearances as themselves left out. A descriptor is the shape of a title's IMDb rating distribution against the catalog; "most divisive" needs a spread wider than half of all titles, and a card names only a principal credit: a craft role, and on a show a crew role or a run of episodes, never a courtesy credit or a one-off guest spot.

Who does Masami Iwasaki work with?

People who share at least 2 of Masami Iwasaki's MovieCove titles, grouped by what they did on them; Makoto Shinkai shares the most, 2.

Directors

Actors

Composers

Producers