Seamus Dever

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Seamus Dever was born on July 27, 1976 in Flint, Michigan, USA as Séamus Patrick Dever. He is an actor and producer, known for Castle (2009), Titans (2018) and Far Cry 5 (2018). He has been married to Juliana Dever since May 26, 2006. See full bio »

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Castle
Setup (S3, Ep16)
Sun, Jan 30 1:00 AM PST on ABC (1200)
Castle
Setup (S3, Ep16)
Sun, Jan 30 1:00 AM PST on ABC (007)
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1 nomination. See more awards »

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Known For

Castle
Castle Kevin Ryan / Dempsey's Irishman / Fenton O'Connell
(2009-2016)
Titans
Titans Trigon / Frank Finney
(2018-2019)
Far Cry 5
Far Cry 5 John Seed
(2018)
Hollywoodland
Hollywoodland Phillip
(2006)
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Filmography

Jump to: Actor | Producer | Soundtrack | Self
Hide Hide Show Show Actor (46 credits)
 2021 Awaken (Short)
Henry Viser
 2021 NCIS: Los Angeles (TV Series)
Kapitan Alexi Goncharov
- Russia, Russia, Russia (2021) ... Kapitan Alexi Goncharov
 2020 The Man with the Golden Gun: The Radio Play (Video)
Paradise (voice)
 2019 The Rookie (TV Series)
Chaz Bachman
- The Bet (2019) ... Chaz Bachman
 2018-2019 Titans (TV Series)
Trigon / Frank Finney
- Trigon (2019) ... Trigon
- Dick Grayson (2018) ... Trigon / Frank Finney
- Koriand'r (2018) ... Trigon
 2019 MacGyver (TV Series)
Griggs
- Mac + Fallout + Jack (2019) ... Griggs
 2018 Take Two (TV Series)
Todd Garlin
- Death Becomes Him (2018) ... Todd Garlin
 2018 Legion (TV Series)
Don Eichman
- Chapter 14 (2018) ... Don Eichman
 2018 Far Cry 5 (Video Game)
John Seed (voice)
 2017 Mindgame (Short)
Ray
 2009-2016 Castle (TV Series)
Kevin Ryan / Fenton O'Connell / Dempsey's Irishman
- Crossfire (2016) ... Kevin Ryan
- Hell to Pay (2016) ... Kevin Ryan
- Much Ado About Murder (2016) ... Kevin Ryan
- Dead Again (2016) ... Kevin Ryan
- Backstabber (2016) ... Kevin Ryan
Show all 173 episodes
 2014/I Sequestered (Short)
Obama
 2010 Dark Blue (TV Series)
Nick Perry
- Personal Effects (2010) ... Nick Perry
- Dead Flowers (2010) ... Nick Perry
 2009 Ready or Not
Marc
 2009 Drop Dead Diva (TV Series)
Tyler Mack
- The Dress (2009) ... Tyler Mack
 2008 Affairs in Order
Cyrus
 2008 The Essence of Depp
Dylan
 2005-2008 CSI: Crime Scene Investigation (TV Series)
Drew Rich / Adam Gilford
- Young Man with a Horn (2008) ... Drew Rich
- Bite Me (2005) ... Adam Gilford
 2008 Ghost Whisperer (TV Series)
Rich Henderson
- Save Our Souls (2008) ... Rich Henderson
 2008 Army Wives (TV Series)
Dr. Chris Ferlinghetti
- Duplicity (2008) ... Dr. Chris Ferlinghetti
- Casting Out the Net (2008) ... Dr. Chris Ferlinghetti
- Loyalties (2008) ... Dr. Chris Ferlinghetti
- Uncharted Territory (2008) ... Dr. Chris Ferlinghetti
- Thicker Than Water (2008) ... Dr. Chris Ferlinghetti
Show all 7 episodes
 2008 Mad Men (TV Series)
Chuck
- For Those Who Think Young (2008) ... Chuck
 2008 General Hospital (TV Series)
Dr. Ian Devlin
- Episode #1.11550 (2008) ... Dr. Ian Devlin
- Episode #1.11549 (2008) ... Dr. Ian Devlin
- Episode #1.11547 (2008) ... Dr. Ian Devlin
- Episode #1.11545 (2008) ... Dr. Ian Devlin
- Episode #1.11544 (2008) ... Dr. Ian Devlin
Show all 45 episodes
 2007 CSI: Miami (TV Series)
Paul Billings
- Kill Switch (2007) ... Paul Billings
 2007 Close to Home (TV Series)
Justin Matthews
- Making Amends (2007) ... Justin Matthews
 2006 NCIS (TV Series)
Graham Thomas
- Singled Out (2006) ... Graham Thomas
 2006 Hollywoodland
Phillip
 2006 CSI: NY (TV Series)
Charles Cooper
- Live or Let Die (2006) ... Charles Cooper
 2005 Threshold (TV Series)
Agent Detoro
- Blood of the Children (2005) ... Agent Detoro
- Trees Made of Glass: Part 2 (2005) ... Agent Detoro
 2005 Charmed (TV Series)
Mitchell Haines
- Freaky Phoebe (2005) ... Mitchell Haines
 2005 JAG (TV Series)
Corporal Caden Duran
- JAG: San Diego (2005) ... Corporal Caden Duran
 2005 Mystery Woman (TV Series)
Billy
- Snapshot (2005) ... Billy
 2004 Nikki and Nora (TV Movie)
Officer Paul Cordone
 2004 Cold Case (TV Series)
Hank Dempsey
- The House (2004) ... Hank Dempsey
 2003 Without a Trace (TV Series)
Ronald Phelps
- Moving On (2003) ... Ronald Phelps
 2002 Deep Cover (TV Series)
Trey
- Pilot ... Trey
 2002 Outside the Law
Rick Michell
 2002 Monkey Love
Aaron Miles (as Séamus Dever)
 2002 Soldier of Fortune II: Double Helix (Video Game)
Additional Voices (voice)
 2002 She's No Angel
Cricket
 2001 Shooting LA
Colin
 2001 Crossing Jordan (TV Series)
Tom Murch
- Believers (2001) ... Tom Murch
 2001 Undressed (TV Series)
Randy
- Episode #4.1 (2001) ... Randy
 1999 Pensacola: Wings of Gold (TV Series)
Lewis
- Behind Enemy Lines (1999) ... Lewis
Show Show Producer (2 credits)
Show Show Soundtrack (1 credit)
Show Show Self (17 credits)

Related Videos

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Personal Details

Other Works:

Stage play: I Love Lucy: A Funny Thing Happened on the Way to the Sitcom - playing I Love Lucy creator Jess Oppenheimer, at the James Bridges Theater, UCLA, Los Angeles, USA - recorded in front of a live audience for public radio broadcast and online distribution. See more »

Publicity Listings:

1 Interview | See more »

Official Sites:

Official Site

Alternate Names:

Séamus Dever

Height:

5' 10" (1.78 m)

Spouse:

Juliana Dever

Relatives:

Jeanne Arnold (cousin) | See more »
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Did You Know?

Personal Quote:

Everyone talks about the elusive thing with chemistry. If you have a romance on screen or anything, the first thing you have to do is become friends with the person. It's not necessarily about falling in love. See more »

Trivia:

A lifetime member of The Actor's Studio. See more »

Star Sign:

Leo
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