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).

Filmography

The Rookie
The Rookie
2018 · TV
as Chaz Bachman
NCIS
NCIS
2003 · TV
as Graham Thomas
NCIS
NCIS
2003 · TV
as Gabriel LaRoche
CSI: Crime Scene Investigation
CSI: Crime Scene Investigation
2000 · TV
as Adam Gilford
CSI: Crime Scene Investigation
CSI: Crime Scene Investigation
2000 · TV
as Drew Rich
Castle
Castle
2009 · TV
as Kevin Ryan
CSI: Miami
CSI: Miami
2002 · TV
as Paul Billings
Charmed
Charmed
1998 · TV
as Mitchell Haines
NCIS: Los Angeles
NCIS: Los Angeles
2009 · TV
as Alexi Goncharov
Tracker
Tracker
2024 · TV
as Max Miller
Mad Men
Mad Men
2007 · TV
as Chuck
JAG
JAG
1995 · TV
as Caden Duran
Crossing Jordan
Crossing Jordan
2001 · TV
as Tom Murch
Without a Trace
Without a Trace
2002 · TV
as Ronald Phelps
Cold Case
Cold Case
2003 · TV
as Hank Dempsey
Ghost Whisperer
Ghost Whisperer
2005 · TV
as Rich Henderson
CSI: NY
CSI: NY
2004 · TV
as Charles Cooper
Titans
Titans
2018 · TV
as Trigon
Titans
Titans
2018 · TV
as Trigon / Captain Frank Finney
Army Wives
Army Wives
2007 · TV
as Dr. Chris Ferlinghetti
MacGyver
MacGyver
2016 · TV
as Griggs
Legion
Legion
2017 · TV
as Don Eichman
NCIS: Hawaiʻi
NCIS: Hawaiʻi
2021 · TV
as Scott
Drop Dead Diva
Drop Dead Diva
2009 · TV
as Tyler Mack