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Seamus Dever

Seamus Dever

Seamus Dever (born July 27th, 1976) is an American actor, best known for playing Detective Kevin Ryan in the television series Castle (2009).

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Tracker

Tracker

2024

as Max Miller

A Great Divide

A Great Divide

2023

as Ranger Tom Drake

Invitation to a Murder

Invitation to a Murder

2023

as Lawrence Kane

Waco: The Aftermath

Waco: The Aftermath

2023

as Andy the German

True Lies

True Lies

2023

as Reed

NCIS: Hawai'i

NCIS: Hawai'i

2021

as Scott

Awaken

Awaken

2021

as Henry Viser

Kung Fu

Kung Fu

2021

as Max DeVeer

Hunters

Hunters

2020

as Tomasz Arndt

The Rookie

The Rookie

2018

as Chaz Bachman

Titans

Titans

2018

as Trigon

Titans

Titans

2018

as Trigon / Captain Frank Finney

Take Two

Take Two

2018

as Todd Garlin

Legion

Legion

2017

as Don Eichman

Mindgame

Mindgame

2017

as Ray

MacGyver

MacGyver

2016

as Griggs

NCIS: Los Angeles

NCIS: Los Angeles

2009

as Alexi Goncharov

Dark Blue

Dark Blue

2009

as Nick Perry

Drop Dead Diva

Drop Dead Diva

2009

as Tyler Mack

Castle

Castle

2009

as Kevin Ryan

Ready or Not

Ready or Not

2009

as Marc

Mad Men

Mad Men

2007

as Chuck

Army Wives

Army Wives

2007

as Dr. Chris Ferlinghetti

Hollywoodland

Hollywoodland

2006

as Phillip

Ghost Whisperer

Ghost Whisperer

2005

as Rich Henderson

Close to Home

Close to Home

2005

as Justin Matthews

Threshold

Threshold

2005

as Agent Detoro

McBride: The Doctor is Out...Really Out

McBride: The Doctor is Out...Really Out

2005

as Allen

Mystery Woman: Snapshot

Mystery Woman: Snapshot

2005

as Billy

CSI: NY

CSI: NY

2004

as Charles Cooper

Nikki and Nora

Nikki and Nora

2004

as Officer Paul Cordone

Cold Case

Cold Case

2003

as Hank Dempsey

NCIS

NCIS

2003

as Graham Thomas

NCIS

NCIS

2003

as Inspector General Gabriel LaRoche

NCIS

NCIS

2003

as NCIS Deputy Director Gabriel LaRoche

Without a Trace

Without a Trace

2002

as Ronald Phelps

CSI: Miami

CSI: Miami

2002

as Paul Billings

Outside the Law

Outside the Law

2002

as Rick Michell

Monkey Love

Monkey Love

2002

as Aaron Miles

She's No Angel

She's No Angel

2002

as Cricket

Crossing Jordan

Crossing Jordan

2001

as Tom Murch

Shooting LA

Shooting LA

2001

as Colin

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

2000

as Adam Gilford

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

2000

as Drew Rich

Undressed

Undressed

1999

as Randy

Charmed

Charmed

1998

as Mitchell Haines

Pensacola: Wings of Gold

Pensacola: Wings of Gold

1997

as Lewis

JAG

JAG

1995

as Caden Duran

The Black

The Black

as Dr. Simon Carver