Portrait of Seamus Dever

Seamus Dever

Bio: Seamus Dever (born July 27th, 1976) is an American actor, best known for playing Detective Kevin Ryan in the television series Castle (2009).
Born: Tue, Jul 27 1976
Birthplace: Flint, Michigan, USA
Seamus Dever is 48 years old
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Movies (Acting Roles)

Sorted by Release Date
Poster of A Great Divide
A Great Divide
Seamus Dever was 46 in A Great Divide as 'Ranger Tom Drake'.
Movie Released: Wed, Jun 14 2023
Poster of Invitation to a Murder
Invitation to a Murder
Seamus Dever was 46 in Invitation to a Murder as 'Lawrence Kane'.
Movie Released: Fri, May 05 2023
Poster of Awaken
Awaken
Seamus Dever was 44 in Awaken as 'Henry Viser'.
Movie Released: Thu, May 13 2021
Poster of Mindgame
Mindgame
Seamus Dever was 40 in Mindgame as 'Ray'.
Movie Released: Sun, Jan 01 2017
Poster of Ready or Not
Ready or Not
Seamus Dever was 32 in Ready or Not as 'Marc'.
Movie Released: Thu, Jan 01 2009
Poster of Hollywoodland
Hollywoodland
Seamus Dever was 30 in Hollywoodland as 'Phillip'.
Movie Released: Thu, Aug 31 2006
Poster of McBride: The Doctor is Out...Really Out
McBride: The Doctor is Out...Really Out
Seamus Dever was 28 in McBride: The Doctor is Out...Really Out as 'Allen'.
Movie Released: Sun, Jun 12 2005
Poster of Mystery Woman: Snapshot
Mystery Woman: Snapshot
Seamus Dever was 28 in Mystery Woman: Snapshot as 'Billy'.
Movie Released: Fri, Jan 28 2005
Poster of Nikki and Nora
Nikki and Nora
Seamus Dever was 27 in Nikki and Nora as 'Officer Paul Cordone'.
Movie Released: Thu, Jan 01 2004
Poster of Outside the Law
Outside the Law
Seamus Dever was 25 in Outside the Law as 'Rick Michell'.
Movie Released: Tue, Jun 25 2002
Poster of Monkey Love
Monkey Love
Seamus Dever was 25 in Monkey Love as 'Aaron Miles'.
Movie Released: Wed, Jun 12 2002
Poster of She's No Angel
She's No Angel
Seamus Dever was 25 in She's No Angel as 'Cricket'.
Movie Released: Mon, Mar 04 2002
Poster of Shooting LA
Shooting LA
Seamus Dever was 24 in Shooting LA as 'Colin'.
Movie Released: Mon, Jan 01 2001
Poster of The Black
The Black
Seamus Dever will be 48+ in The Black as 'Dr. Simon Carver'.
Movie Released: Unreleased

TV Shows (Acting Roles)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Poster of Tracker
Tracker
Seamus Dever was 47+ in Tracker as 'Max Miller'.
TV Show Released: First Air Date
Sun, Feb 11 2024
Poster of Waco: The Aftermath
Waco: The Aftermath
Seamus Dever was 46+ in Waco: The Aftermath as 'Andy the German'.
TV Show Released: First Air Date
Sun, Apr 16 2023
Poster of True Lies
True Lies
Seamus Dever was 46+ in True Lies as 'Reed'.
TV Show Released: First Air Date
Wed, Mar 01 2023
Poster of NCIS: Hawai'i
NCIS: Hawai'i
Seamus Dever was 45+ in NCIS: Hawai'i as 'Scott'.
TV Show Released: First Air Date
Mon, Sep 20 2021
Poster of Kung Fu
Kung Fu
Seamus Dever was 44+ in Kung Fu as 'Max DeVeer'.
TV Show Released: First Air Date
Wed, Apr 07 2021
Poster of Hunters
Hunters
Seamus Dever was 43+ in Hunters as 'Tomasz Arndt'.
TV Show Released: First Air Date
Thu, Feb 20 2020
Poster of The Rookie
The Rookie
Seamus Dever was 42+ in The Rookie as 'Chaz Bachman'.
TV Show Released: First Air Date
Tue, Oct 16 2018
Poster of Titans
Titans
Seamus Dever was 42+ in Titans as 'Trigon, Trigon / Captain Frank Finney'.
TV Show Released: First Air Date
Fri, Oct 12 2018
Poster of Take Two
Take Two
Seamus Dever was 41+ in Take Two as 'Todd Garlin'.
TV Show Released: First Air Date
Thu, Jun 21 2018
Poster of Legion
Legion
Seamus Dever was 40+ in Legion as 'Don Eichman'.
TV Show Released: First Air Date
Wed, Feb 08 2017
Poster of MacGyver
MacGyver
Seamus Dever was 40+ in MacGyver as 'Griggs'.
TV Show Released: First Air Date
Fri, Sep 23 2016
Poster of NCIS: Los Angeles
NCIS: Los Angeles
Seamus Dever was 33+ in NCIS: Los Angeles as 'Alexi Goncharov'.
TV Show Released: First Air Date
Tue, Sep 22 2009
Poster of Dark Blue
Dark Blue
Seamus Dever was 32+ in Dark Blue as 'Nick Perry'.
TV Show Released: First Air Date
Wed, Jul 15 2009
Poster of Drop Dead Diva
Drop Dead Diva
Seamus Dever was 32+ in Drop Dead Diva as 'Tyler Mack'.
TV Show Released: First Air Date
Sun, Jul 12 2009
Poster of Castle
Castle
Seamus Dever was 32+ in Castle as 'Kevin Ryan'.
TV Show Released: First Air Date
Mon, Mar 09 2009
Poster of Mad Men
Mad Men
Seamus Dever was 30+ in Mad Men as 'Chuck'.
TV Show Released: First Air Date
Thu, Jul 19 2007
Poster of Army Wives
Army Wives
Seamus Dever was 30+ in Army Wives as 'Dr. Chris Ferlinghetti'.
TV Show Released: First Air Date
Sun, Jun 03 2007
Poster of Ghost Whisperer
Ghost Whisperer
Seamus Dever was 29+ in Ghost Whisperer as 'Rich Henderson'.
TV Show Released: First Air Date
Fri, Sep 23 2005
Poster of Close to Home
Close to Home
Seamus Dever was 29+ in Close to Home as 'Justin Matthews'.
TV Show Released: First Air Date
Tue, Sep 20 2005
Poster of Threshold
Threshold
Seamus Dever was 29+ in Threshold as 'Agent Detoro'.
TV Show Released: First Air Date
Fri, Sep 16 2005
Poster of CSI: NY
CSI: NY
Seamus Dever was 28+ in CSI: NY as 'Charles Cooper'.
TV Show Released: First Air Date
Wed, Sep 22 2004
Poster of Cold Case
Cold Case
Seamus Dever was 27+ in Cold Case as 'Hank Dempsey'.
TV Show Released: First Air Date
Sun, Sep 28 2003
Poster of NCIS
NCIS
Seamus Dever was 27+ in NCIS as 'Graham Thomas, Inspector General Gabriel LaRoche'.
TV Show Released: First Air Date
Tue, Sep 23 2003
Poster of Without a Trace
Without a Trace
Seamus Dever was 26+ in Without a Trace as 'Ronald Phelps'.
TV Show Released: First Air Date
Thu, Sep 26 2002
Poster of CSI: Miami
CSI: Miami
Seamus Dever was 26+ in CSI: Miami as 'Paul Billings'.
TV Show Released: First Air Date
Mon, Sep 23 2002
Poster of Crossing Jordan
Crossing Jordan
Seamus Dever was 25+ in Crossing Jordan as 'Tom Murch'.
TV Show Released: First Air Date
Mon, Sep 24 2001
Poster of CSI: Crime Scene Investigation
CSI: Crime Scene Investigation
Seamus Dever was 24+ in CSI: Crime Scene Investigation as 'Adam Gilford, Drew Rich'.
TV Show Released: First Air Date
Fri, Oct 06 2000
Poster of Undressed
Undressed
Seamus Dever was 22+ in Undressed as 'Randy'.
TV Show Released: First Air Date
Mon, Jul 26 1999
Poster of Charmed
Charmed
Seamus Dever was 22+ in Charmed as 'Mitchell Haines'.
TV Show Released: First Air Date
Wed, Oct 07 1998
Poster of Pensacola: Wings of Gold
Pensacola: Wings of Gold
Seamus Dever was 21+ in Pensacola: Wings of Gold as 'Lewis'.
TV Show Released: First Air Date
Mon, Sep 15 1997
Poster of JAG
JAG
Seamus Dever was 19+ in JAG as 'Caden Duran'.
TV Show Released: First Air Date
Sat, Sep 23 1995