---
name: "Louis Ozawa Changchien"
canonical: "https://film.one/person/louis-ozawa"
roles: ["Actor"]
born: "11 October 1975"
reviewed_on_fi1m: 4
average_fi1m_score: 68
average_as: "actor"
average_over: 4
updated: "2026-09-19T17:00:03.107705+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."
---

# Louis Ozawa Changchien

Actor. Born 11 October 1975 in New York City, New York, USA.

## Details

- **Work:** Actor
- **Born:** 11 October 1975, New York City, New York, USA
- **Active:** 2010–present
- **Also known as:** Louis Ozawa, Louis Chanchien, Louis Changchein, Louis Changchien, Louiz Ozawa, 张简
- **Frequently works with:** [John Davis](https://film.one/person/john-davis.md)
- **Average Fi1m score:** 68, as actor, over 4 titles
- **Fi1m score by decade:** 2010s 57 (2), 2020s 78 (2)
- **Fi1m against the critics:** 68 to 70 across 4 titles
- **Score spread:** 1 at 80+, 2 at 60–79, 1 under 60
- **Lead roles:** 1 of 2 acting credits billed first or second
- **Genres:** Action 3, Thriller 3, Science Fiction 2, Animation 1, Drama 1
- **Screen time:** 5 hours of reviewed films
- **Box office:** $404m across 2 films with figures
- **Elsewhere:** https://en.wikipedia.org/wiki/Louis_Ozawa_Changchien, https://www.wikidata.org/wiki/Q3798566, https://www.imdb.com/name/nm1559194/, https://www.themoviedb.org/person/113308

## Streaming the US now

- **Disney+:** [*Predator: Killer of Killers*](https://film.one/film/predator-killer-of-killers.md) (72)

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

## Biography

Louis Ozawa Changchien is an American actor. He was born on 11 October 1975 in Queens, New York, and raised in New York City and Japan. He graduated from the University of California, Davis with a degree in biology and later earned an MFA in acting from Brown University.

Changchien made his film debut in *On the Q.T.* (1999). He is known for his role as Hanzo in *Predators* (2010) and voicing Kenji and Kiyoshi in *Predator: Killer of Killers* (2025). Other film credits include *The Bourne Legacy* (2012) and *Spectral* (2016). He has appeared in television series such as *Grey's Anatomy*, *True Blood*, *Supergirl*, *Blindspot*, *Elementary* and *Hawaii Five-0*.

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

## On Fi1m (4)

- *Predator: Killer of Killers* (2025), Fi1m 72, as Kenji / Kiyoshi (voice) — [page](https://film.one/film/predator-killer-of-killers.md)
- *Pachinko* (2022), Fi1m 85, as Mamoru Yoshii — [page](https://film.one/tv/pachinko.md)
- *The Bourne Legacy* (2012), Fi1m 54, as LARX #3 — [page](https://film.one/film/the-bourne-legacy.md)
- *Predators* (2010), Fi1m 60, as Hanzo — [page](https://film.one/film/predators.md)

## Complete filmography (36)

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

- *Predator: Killer of Killers* (2025), as Kenji / Kiyoshi (voice) — Fi1m 72, [page](https://film.one/film/predator-killer-of-killers.md)
- *Gremlins: Secrets of the Mogwai* (2023), series, as Fan Fan (voice)
- *Pachinko* (2022), series, as Mamoru Yoshii — Fi1m 85, [page](https://film.one/tv/pachinko.md)
- *Beautiful Dreamer* (2020), as Billy
- *Hunters* (2020), series, as Joe Torrance
- *Magnum P.I.* (2018), series, as Alan Sako
- *Kidding* (2018), series, as Mr. Pickles-San
- *Tom Clancy's Jack Ryan* (2018), series, as Chao Fah Sein
- *The Good Fight* (2017), series, as Oshito
- *Spectral* (2016), as Sargent Chen
- *MacGyver* (2016), series, as Dev Singh
- *Supergirl* (2015), series, as Hat
- *Blindspot* (2015), series, as Ken Lee
- *The Sisterhood of Night* (2015), as Stanley Huang
- *Someone Else* (2015), as Harry
- *The Man in the High Castle* (2015), series, as Paul Kasoura
- *Bosch* (2015), series, as Chuck Deng
- *The Mysteries of Laura* (2014), series, as Jimmy Chun
- *Marvel's Agents of S.H.I.E.L.D.* (2013), series, as Chan Ho Yin
- *Elementary* (2012), series, as Go Shinura
- *The Bourne Legacy* (2012), as LARX #3 — Fi1m 54, [page](https://film.one/film/the-bourne-legacy.md)
- *Lefty Loosey Righty Tighty* (2012), as Michael
- *Predators: Moments of Extraction* (2010), as Hanzo (voice) · Thanks
- *Blue Bloods* (2010), series, as Abdul Sayid
- *Hawaii Five-0* (2010), series, as Riku Sato
- *Predators* (2010), as Hanzo — Fi1m 60, [page](https://film.one/film/predators.md)
- *Fair Game* (2010), as Nervous Analyst #1
- *Predators: The Chosen* (2010), Actor
- *Gigantic* (2008), as Matsubara
- *True Blood* (2008), series, as Hiroki — Fi1m 71, [page](https://film.one/tv/true-blood.md)
- *Pretty to Think So* (2008), as Jiwon Kim
- *Grey's Anatomy* (2005), series, as Steve Lee — Fi1m 68, [page](https://film.one/tv/greys-anatomy.md)
- *Robot Stories* (2003), as Wilson
- *On the Q.T.* (1999), as Kenneth
- *Law & Order* (1990), series, as Director Nguyen — Fi1m 72, [page](https://film.one/tv/law-and-order.md)
- *Origami*, Actor

---
© 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/louis-ozawa