Seamus Dever

July 27, 1976 (49 years old)

Flint, Michigan, USA

Known for Acting

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

Discover More Acting Works

Tracker

Max Miller

2024

7.5

A Great Divide

Ranger Tom Drake

2023

4.4

Invitation to a Murder

Lawrence Kane

2023

5.5

Waco: The Aftermath

Andy the German

2023

6.9

True Lies

Reed

2023

6.1

NCIS: Hawaiʻi

Scott

2021

7.7

Kung Fu

Max DeVeer

2021

7.5

Awaken

Henry Viser

2020

2.0

Hunters

Tomasz Arndt

2020

7.2

The Rookie

Chaz Bachman

2018

8.5

Titans

Trigon

2018

7.9

Take Two

Todd Garlin

2018

6.8

Legion

Don Eichman

2017

7.5

Mindgame

Ray

2017

2.0

MacGyver

Griggs

2016

7.3

NCIS: Los Angeles

Alexi Goncharov

2009

7.5

Dark Blue

Nick Perry

2009

6.9

Drop Dead Diva

Tyler Mack

2009

7.7

Castle

Kevin Ryan

2009

8.0

Ready or Not

Marc

2009

4.1

Mad Men

Chuck

2007

8.1

Army Wives

Dr. Chris Ferlinghetti

2007

7.5

Hollywoodland

Phillip

2006

6.1

Ghost Whisperer

Rich Henderson

2005

8.1

Close to Home

Justin Matthews

2005

5.9

Threshold

Agent Detoro

2005

7.0

McBride: The Doctor is Out...Really Out

Allen

2005

7.2

Mystery Woman: Snapshot

Billy

2005

6.6

CSI: NY

Charles Cooper

2004

7.3

Nikki and Nora

Officer Paul Cordone

2004

1.6

Cold Case

Hank Dempsey

2003

7.8

NCIS

Graham Thomas

2003

7.6

Without a Trace

Ronald Phelps

2002

7.2

CSI: Miami

Paul Billings

2002

7.7

Outside the Law

Rick Michell

2002

4.1

Monkey Love

Aaron Miles

2002

3.3

She's No Angel

Cricket

2002

4.3

Crossing Jordan

Tom Murch

2001

7.2

No Image

Shooting LA

Colin

2001

2.0

CSI: Crime Scene Investigation

Adam Gilford

2000

7.6

Undressed

Randy

1999

7.0

Charmed

Mitchell Haines

1998

8.2

Pensacola: Wings of Gold

Lewis

1997

6.3

JAG

Caden Duran

1995

7.3

The Black

Dr. Simon Carver

N/A