Seamus Dever

Born

July 27, 1976 (48 years old)

Known For

Acting

Place of Birth

Flint, Michigan, USA

IMDbInstagramX

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

Known For

Titans
7.9

Titans

Titans
7.9

Titans

The Rookie
8.5

The Rookie

Charmed
8.2

Charmed

NCIS
7.6

NCIS

Tracker

Tracker

Max Miller · (1 episode)

7.5

2024

A Great Divide

A Great Divide

Ranger Tom Drake

4.5

2023

Invitation to a Murder

Invitation to a Murder

Lawrence Kane

5.5

2023

Waco: The Aftermath

Waco: The Aftermath

Andy the German · (5 episodes)

7.1

2023

True Lies

True Lies

Reed · (1 episode)

6.2

2023

NCIS: Hawaiʻi

NCIS: Hawaiʻi

Scott · (1 episode)

7.8

2021

Awaken

Awaken

Henry Viser

2.0

2021

Kung Fu

Kung Fu

Max DeVeer · (1 episode)

7.5

2021

Hunters

Hunters

Tomasz Arndt · (1 episode)

7.2

2020

The Rookie

The Rookie

Chaz Bachman · (1 episode)

8.5

2018

Titans

Titans

Trigon · (2 episodes)

7.9

2018

Titans

Titans

Trigon / Captain Frank Finney · (1 episode)

7.9

2018

Take Two

Take Two

Todd Garlin · (1 episode)

6.9

2018

Legion

Legion

Don Eichman · (1 episode)

7.5

2017

Mindgame

Mindgame

Ray

2.0

2017

MacGyver

MacGyver

Griggs · (1 episode)

7.3

2016

NCIS: Los Angeles

NCIS: Los Angeles

Alexi Goncharov · (3 episodes)

7.5

2009

Dark Blue

Dark Blue

Nick Perry · (2 episodes)

6.9

2009

Drop Dead Diva

Drop Dead Diva

Tyler Mack · (1 episode)

7.7

2009

Castle

Castle

Kevin Ryan · (173 episodes)

8.0

2009

Ready or Not

Ready or Not

Marc

4.1

2009

Mad Men

Mad Men

Chuck · (1 episode)

8.1

2007

Army Wives

Army Wives

Dr. Chris Ferlinghetti · (7 episodes)

7.4

2007

Hollywoodland

Hollywoodland

Phillip

6.1

2006

Ghost Whisperer

Ghost Whisperer

Rich Henderson · (1 episode)

8.1

2005

Close to Home

Close to Home

Justin Matthews · (1 episode)

5.9

2005

Threshold

Threshold

Agent Detoro · (2 episodes)

7.0

2005

McBride: The Doctor is Out...Really Out

McBride: The Doctor is Out...Really Out

Allen

7.2

2005

Mystery Woman: Snapshot

Mystery Woman: Snapshot

Billy

6.6

2005

CSI: NY

CSI: NY

Charles Cooper · (1 episode)

7.4

2004

Nikki and Nora

Nikki and Nora

Officer Paul Cordone

1.8

2004

Cold Case

Cold Case

Hank Dempsey · (1 episode)

7.8

2003

NCIS

NCIS

Graham Thomas · (1 episode)

7.6

2003

NCIS

NCIS

Gabriel LaRoche · (5 episodes)

7.6

2003

Without a Trace

Without a Trace

Ronald Phelps · (1 episode)

7.2

2002

CSI: Miami

CSI: Miami

Paul Billings · (1 episode)

7.7

2002

Outside the Law

Outside the Law

Rick Michell

4.1

2002

Monkey Love

Monkey Love

Aaron Miles

3.6

2002

She's No Angel

She's No Angel

Cricket

3.9

2002

Shooting LA

Colin

2.0

2001

The Black

The Black

Dr. Simon Carver

0.0

Crossing Jordan

Crossing Jordan

Tom Murch · (1 episode)

7.2

2001

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

Adam Gilford · (1 episode)

7.6

2000

CSI: Crime Scene Investigation

CSI: Crime Scene Investigation

Drew Rich · (1 episode)

7.6

2000

Undressed

Undressed

Randy · (3 episodes)

7.5

1999

Charmed

Charmed

Mitchell Haines · (1 episode)

8.2

1998

Pensacola: Wings of Gold

Pensacola: Wings of Gold

Lewis · (1 episode)

6.2

1997

JAG

JAG

Caden Duran · (1 episode)

7.3

1995