---
name: "Tohoru Masamune"
canonical: "https://film.one/person/tohoru-masamune"
fi1m_id: "tohoru-masamune"
imdb_id: "nm0556070"
tmdb_id: 173212
wikidata_id: "Q18415482"
roles: []
born: "18 November 1959"
reviewed_on_fi1m: 2
average_fi1m_score: 60
average_over: 2
updated: "2026-10-05T13:25:33.979302+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Tohoru Masamune

## Identity

Tohoru Masamune

- **Canonical:** https://film.one/person/tohoru-masamune
- **Type:** Person
- **Fi1m ID:** tohoru-masamune
- **IMDb ID:** nm0556070
- **TMDB ID:** 173212
- **Wikidata ID:** Q18415482
- **Same entity:** https://en.wikipedia.org/wiki/Tohoru_Masamune, https://www.wikidata.org/wiki/Q18415482, https://www.imdb.com/name/nm0556070/, https://www.themoviedb.org/person/173212

Actor. Born 18 November 1959 in Madison - Wisconsin - USA.

## Details

- **Born:** 18 November 1959, Madison - Wisconsin - USA
- **Active:** 2010–2014
- **Also known as:** 水源士郎
- **Elsewhere:** https://en.wikipedia.org/wiki/Tohoru_Masamune, https://www.wikidata.org/wiki/Q18415482, https://www.imdb.com/name/nm0556070/, https://www.themoviedb.org/person/173212

## Streaming the US now

- **Apple TV:** [*Teenage Mutant Ninja Turtles*](https://film.one/film/teenage-mutant-ninja-turtles-2014.md) (40)

For United States; add `?region=XX` for another country.

## Biography

Tohoru Masamune is an American actor. He was born on 18 November 1959 in Madison, Wisconsin, and is an MIT graduate. He is known for playing Shredder in the 2014 film *Teenage Mutant Ninja Turtles* and the Japanese security guard in *Inception* (2010).

Masamune has appeared in television series including *Marvel's Agents of S.H.I.E.L.D.* (2016), *Heroes* (2006–2010) and *Never Have I Ever* (2020–2023). On stage he has taken starring roles at the Goodman Theatre and Williamstown Theatre Festival, directed by Tony Award winners Mary Zimmerman and Daniel J. Sullivan, and has performed with the Theatre of Yugen in classical Japanese theatre.

*Sources: imdb.com, en.wikipedia.org, tohorumasamune.com.*

## On Fi1m (2)

- *Teenage Mutant Ninja Turtles* (2014), Fi1m 40, as Shredder — [page](https://film.one/film/teenage-mutant-ninja-turtles-2014.md)
- *Inception* (2010), Fi1m 80, as Japanese Security Guard — [page](https://film.one/film/inception.md)

## Complete filmography (28)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *Bond of Justice: Kizuna Part I - Encounter* (2023), as Ken
- *Never Have I Ever* (2020), series, as Kevin Hall-Yoshida — Fi1m 74, [page](https://film.one/tv/never-have-i-ever-2020.md)
- *Dark/Web* (2019), series, as Dr. Nakasima
- *We Bare Bears* (2015), series, as Manager (voice)
- *Chatter* (2015), as Martin Takagi
- *Weird Loners* (2015), series, as Kenneth
- *Sway* (2014), as Pastor Joe
- *Teenage Mutant Ninja Turtles* (2014), as Shredder — Fi1m 40, [page](https://film.one/film/teenage-mutant-ninja-turtles-2014.md)
- *Marvel's Agents of S.H.I.E.L.D.* (2013), series, as Haruto Yakimura
- *Shake It Up: Made in Japan* (2012), as Executive #1
- *Inception* (2010), as Japanese Security Guard — Fi1m 80, [page](https://film.one/film/inception.md)
- *iCarly: iGo to Japan* (2008), as Massage Therapist #1
- *Warbirds* (2008), as Ozu
- *Big Shots* (2007), series, as Riko's Manager
- *iCarly* (2007), series, as Massage Therapist #1, Mr. Fuzawa
- *Heroes* (2006), series, as Boss at Yamagato, Mr. Egami — Fi1m 68, [page](https://film.one/tv/heroes.md)
- *Memoirs of a Geisha* (2005), as Radio Announcer (uncredited)
- *American Dad!* (2005), series, as Chef Haruki (voice)
- *Without a Trace* (2002), series, as Mr. Kim
- *Ocha Cups for Christmas* (2002), as Mr. Tomori
- *24* (2001), series, as CTU Agent — Fi1m 78, [page](https://film.one/tv/24.md)
- *Jackie Chan Adventures* (2000), series, as Mr. Kobayashi (voice)
- *The Practice* (1997), series, as Technician
- *Chicago Hope* (1994), series, as Paramedic
- *Diagnosis: Murder* (1993), series, as Al Cho
- *Mad About You* (1992), series, as Anesthesiologist
- *Pacific Heights* (1990), as Neighbor
- *Off the Grid*, as Mr. Masuda

## Gallery

- ![2019 Emmy Awards](https://film.one/media/person/443429/gallery-8d06ccb1aa17.jpg) 2019 Emmy Awards — L-Hexoses, CC BY-SA 4.0, via Wikimedia Commons (https://thumb.wikimedia.org/wikipedia/commons/thumb/e/ec/Tohoru_Masamune_Emmys.jpg/1280px-Tohoru_Masamune_Emmys.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail)
- ![Tohoru Masamune](https://film.one/media/person/443429/gallery-c2208df56f6c.jpg) Tohoru Masamune — L-Hexoses, CC BY-SA 4.0, via Wikimedia Commons (https://thumb.wikimedia.org/wikipedia/commons/thumb/7/76/Tohoru_Masamune_at_2019_Emmy_Awards.jpg/1280px-Tohoru_Masamune_at_2019_Emmy_Awards.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail)
- ![Tohoru Masamune at the 2019 Emmy Awards for ARTIFICIAL win](https://film.one/media/person/443429/gallery-159c6b83415b.jpg) Tohoru Masamune at the 2019 Emmy Awards for ARTIFICIAL win — L-Hexoses, CC BY-SA 4.0, via Wikimedia Commons (https://upload.wikimedia.org/wikipedia/commons/5/55/Tohoru_Masamune_at_2019_Emmy_Awards_Cropped.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail_unscaled)
- ![Tohoru Masamune speaking at the 2026 WonderCon in Anaheim, California.](https://film.one/media/person/443429/gallery-3043fc9301a7.jpg) Tohoru Masamune speaking at the 2026 WonderCon in Anaheim, California. — Gage Skidmore, CC BY-SA 3.0, via Wikimedia Commons (https://thumb.wikimedia.org/wikipedia/commons/thumb/a/af/Tohoru_Masamune_by_Gage_Skidmore.jpg/1280px-Tohoru_Masamune_by_Gage_Skidmore.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=thumbnail)

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/tohoru-masamune