Seamus Dever (born July 27th, 1976) is an American actor, best known for playing Detective Kevin Ryan in the television series Castle (2009).
NCIS
Series • 2003
CSI: Crime Scene Investigation
Series • 2000
The Rookie
Series • 2018
CSI: Miami
Series • 2002
NCIS: Los Angeles
Series • 2009
Castle
JAG
Series • 1995
Charmed
Series • 1998
Tracker
Series • 2024
Mad Men
Series • 2007
CSI: NY
Series • 2004
Without a Trace
Ghost Whisperer
Series • 2005
Cold Case
MacGyver
Series • 2016
Crossing Jordan
Series • 2001
Titans
Army Wives
Drop Dead Diva
Undressed
Series • 1999
NCIS: Hawaiʻi
Series • 2021
Legion
Series • 2017
Hunters
Series • 2020
Kung Fu
True Lies
Series • 2023
Dark Blue
Threshold
Waco: The Aftermath
Take Two
Hollywoodland
Movie • 2006