Seamus Dever


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Seamus Dever was born on July 27, 1976 in Flint, Michigan, USA. 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
Law & Boarder (S6, Ep21)
Fri, Jul 01 3:00 PM PDT on LIFE (047)
Castle
Veritas (S6, Ep22)
Fri, Jul 01 4:00 PM PDT on LIFE (047)

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Known For

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

Filmography

Jump to: Actor | Producer | Soundtrack | Self
Hide Hide Show Show Actor (45 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
 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
 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
 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)

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Personal Details

Other Works:

: Played "Hans" in "iWitness", a play by Joshua Sobol, adapted by Barry Edelstein (Mark Taper Forum, Los Angeles, California, USA). 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:

My eyebrows - they have a life of their own. I don't arch them on purpose; I don't do, like, arching exercises or anything, I promise! I try to maintain a neutral mass, but they just sort of go with whatever the situation is! See more »

Trivia:

Valedictorian of his high school class. See more »

Star Sign:

Leo

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