The fierce and determined resistance fighter Kallen Stadtfeld (also known as Kallen Kōzuki) is voiced by Ami Koshimizu in the original Japanese version, while the English dub features Karen Strassman. Both actresses deliver powerful performances that highlight Kallen’s strength, passion, and emotional vulnerability.
Ami Koshimizu — Japanese Voice of Kallen Stadtfeld
Date of Birth
February 15, 1986
About Ami
Ami Koshimizu is a prominent Japanese voice actress known for her energetic delivery and strong character portrayals. As Kallen, she brings intensity and emotional depth, capturing both the character’s fierce combativeness and her more vulnerable, human side. Her performance plays a key role in establishing Kallen as one of Code Geass’ most compelling heroines.
Hometown
Tokyo, Japan
Career Highlights
- Code Geass: Lelouch of the Rebellion – Kallen Stadtfeld / Kallen Kōzuki
- Kill la Kill – Ryuko Matoi
- Spice and Wolf – Holo
- Persona 4 – Yukiko Amagi
- School-Live! – Yuki Takeya
Koshimizu is widely recognized for voicing strong-willed female leads across anime.
Full Current Filmography
Below is a structured list of major, verifiable roles (based on documented sources; may not be exhaustive):
Television Anime
- 2006–2008 – Code Geass: Lelouch of the Rebellion — Kallen Stadtfeld / Kallen Kōzuki
- 2013 – Kill la Kill — Ryuko Matoi
- 2008 – Spice and Wolf — Holo
- 2011 – Persona 4: The Animation — Yukiko Amagi
- 2015 – School-Live! — Yuki Takeya
Films & Related Media
- Code Geass film trilogy & Lelouch of the Re;surrection — Kallen
Note: This list reflects documented major credits from reputable sources and may not include every minor or guest role.
Critical Reception
Ami Koshimizu’s portrayal of Kallen is widely praised for its emotional intensity and authenticity. Fans often highlight how she balances Kallen’s fiery determination with moments of vulnerability, especially in scenes involving Lelouch and the Black Knights.
Our Sources
- Code Geass cast list (https://en.wikipedia.org/wiki/Code_Geass)
- Ami Koshimizu profile (https://en.wikipedia.org/wiki/Ami_Koshimizu)
- Kallen Stadtfeld voice listings (https://www.behindthevoiceactors.com/tv-shows/Code-Geass-Lelouch-of-the-Rebellion/Kallen-Stadtfeld/)
Social Media
- Twitter/X: https://twitter.com/AmiKoshimizu
Karen Strassman — English Voice of Kallen Stadtfeld
Date of Birth
April 5, 1965
About Karen
Karen Strassman is an American voice actress and ADR director known for her strong, versatile performances across anime, video games, and animation. As Kallen Stadtfeld, she delivers a passionate and emotionally charged performance, capturing the character’s fierce determination, loyalty, and inner vulnerability. Her portrayal emphasizes Kallen’s dual identity—both as a proud fighter and a conflicted individual navigating her place in the world.
Hometown
Washington, USA
Career Highlights
- Code Geass: Lelouch of the Rebellion – Kallen Stadtfeld / Kallen Kōzuki
- Bleach – Soi Fon
- Naruto – Kurenai Yuhi
- Persona 3 – Aigis
- Fate/stay night – Rider
Strassman is widely recognized for voicing strong, authoritative female characters across major anime and game franchises.
Full Current Filmography
Below is a structured list of major, verifiable roles (based on documented credits; may not be exhaustive):
Anime (English Dub)
- 2006–2008 – Code Geass: Lelouch of the Rebellion — Kallen Stadtfeld
- 2004–2012 – Bleach — Soi Fon
- 2002–2017 – Naruto — Kurenai Yuhi
- 2006 – Fate/stay night — Rider
Video Games
- Persona 3 — Aigis
- Persona 4 Arena — Aigis
- Fire Emblem series — Various roles
Other Work
- Extensive voice work in animation, games, and dubbing
- ADR direction for multiple anime titles
Note: This list reflects documented major credits from reputable sources and may not include every minor or guest appearance.
Critical Reception
Karen Strassman’s portrayal of Kallen is often praised for its intensity and emotional clarity. Fans frequently highlight how she brings out both Kallen’s strength as a pilot and her emotional struggles, making her one of the standout performances in the English dub.
Our Sources
- Code Geass cast list (https://en.wikipedia.org/wiki/Code_Geass)
- Karen Strassman profile (https://en.wikipedia.org/wiki/Karen_Strassman)
- Kallen Stadtfeld voice listings (https://www.behindthevoiceactors.com/tv-shows/Code-Geass-Lelouch-of-the-Rebellion/Kallen-Stadtfeld/)
Social Media
- Twitter/X: https://twitter.com/KarenStrassman
