The Secret of Kells
“Turn the darkness into light”
Synopsis
Adventure awaits 12 year old Brendan who must fight Vikings and a serpent god to find a crystal and complete the legendary Book of Kells. In order to finish Brother Aiden's book, Brendan must overcome his deepest fears on a secret quest that will take him beyond the abbey walls and into the enchanted forest where dangerous mythical creatures hide. Will Brendan succeed in his quest?
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
The Secret of Kells - Now on DVD [Official US Trailer]Official
Type: Trailer • Published 2010-02-15
Top Cast
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Evan McGuire
Brendan (voice)
Christen Mooney
Aisling (voice)
Brendan Gleeson
Abbot Cellach (voice)
Mick Lally
Aidan (voice)
Liam Hourican
Brother Tang / Leonardo (voice)
Paul Tylak
Brother Assoua (voice)
Michael McGrath
Adult Brendan (voice)
Paul Young
Brother Square (voice)
Nora Twomey
Additional Voices and Walla (voice)
Alli McCann
Additional Voices and Walla (voice)
Clair Funchion
Additional Voices and Walla (voice)
Conor O'Halloran
Additional Voices and Walla (voice)
Gaelle Hersent
Additional Voices and Walla (voice)
Marie Thorhauge
Additional Voices and Walla (voice)
Sean Ono Lennon
Additional Voices and Walla (voice)
Jonas Hoffmann
Additional Voices and Walla (voice)
Fabian Erlinghäuser
Additional Voices and Walla (voice)
Kairen Waloch
Additional Voices and Walla (voice)
Release History & Theatrical Window
December 4, 2009
Wide Cinema Exhibition
January 4, 2010
Physical Home Media
Financials & Box Office Performance
Production Budget
$8M
Filming & production cost
Worldwide Gross
$1.8M
Total global ticket sales
Box Office Return
0.23x
-$6.2M deficit
Theatrical Status
Budget Return
Box office tier
Key Information & Fast Facts
- Director
- Tomm Moore
- Screenplay & Story
- Fabrice Ziolkowski
- Original Score
- Bruno Coulais, Kila
- Original Title
- The Secret of Kells
- Country of Origin
- Ireland, France, Belgium
- Spoken Languages
- English
- Runtime
- 1h 19m
- Production Budget
- $8M
- Worldwide Gross
- $1.8M
- Production Studios
- Cartoon Saloon, Gébéka Films, Les Armateurs, Vivi Film, France 2 Cinéma, Celluloid Dreams, RTÉ, Fís Éireann/Screen Ireland
Creative Leadership & Key Crew
Tomm Moore
Fabrice Ziolkowski
Bruno Coulais, Kila
Rémi Chayé
Fabienne Alvarez-Giro
Didier Brunner, Viviane Vanfleteren, Paul Young, Ivan Rouvreure, James Flynn
Department Leadership Roster
Bruno Coulais
Original Music Composer
Didier Brunner
Producer
Fabrice Ziolkowski
Writer
Viviane Vanfleteren
Producer
Paul Young
Producer
Fabienne Alvarez-Giro
Editor
Tomm Moore
Director
Fabrice Ziolkowski
Screenplay
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
NR: Not Rated — Evaluated outside standard classification boards.
International Certification Matrix
Parental Guidance — Recommended for mature viewers.
FSK 6 — Restricted to viewers aged 6 and older.
Parental Guidance — Unlikely to upset children 8 and older.
Not Rated — Evaluated outside standard classification boards.
Production Stills & Gallery
Official cinematic photography and background stills for The Secret of Kells.
Featured In Curated Collections
Editorial lists, community rankings, and cinematic collections featuring The Secret of Kells.
Favorite Actors
Letterboxd's Top 250 Animated Films
Letterboxd's official Top 250 Animated Feature Films, ranked by average member rating. Letterboxd 官方 Top 250 最佳动画长片榜单： 根据平台用户的平均评分进行排序。入选影片必须为动画长片，且排除了无法独立观看的剧集衍生剧场版。 *(Updated via Automated ETL Pipeline: 2026-10-20 07:37:34 UTC+8)*
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Frequently Asked Questions About The Secret of Kells
Quick factual answers about cast, synopsis, director, box office, and release information.
What is The Secret of Kells about?
Adventure awaits 12 year old Brendan who must fight Vikings and a serpent god to find a crystal and complete the legendary Book of Kells. In order to finish Brother Aiden's book, Brendan must overcome his deepest fears on a secret quest that will take him beyond the abbey walls and into the enchanted forest where dangerous mythical creatures hide. Will Brendan succeed in his quest?
Who directed The Secret of Kells?
The Secret of Kells was directed by Tomm Moore.
Who stars in The Secret of Kells?
The principal cast of The Secret of Kells includes Evan McGuire, Christen Mooney, Brendan Gleeson, Mick Lally, Liam Hourican.
When was The Secret of Kells released and how long is it?
The Secret of Kells was released in 2009 with a total runtime of 1h 19m.
What was the box office and production budget of The Secret of Kells?
The Secret of Kells had a reported production budget of $8M and grossed $1.8M at the worldwide box office (0.23 return on budget, classified as a underperformed).
Who composed the musical score for The Secret of Kells?
The original motion picture soundtrack for The Secret of Kells was composed by Bruno Coulais, Kila.
What is the age rating and content advisory for The Secret of Kells?
The Secret of Kells holds official age classifications: AU: PG (Parental Guidance — Recommended for mature viewers.); DE: 6 (FSK 6 — Restricted to viewers aged 6 and older.); GB: PG (Parental Guidance — Unlikely to upset children 8 and older.); US: NR (Not Rated — Evaluated outside standard classification boards.).