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).
Known for
NCIS: Los Angeles
Alexi Goncharov
The Rookie
Chaz Bachman
NCIS
Graham Thomas
NCIS
Gabriel LaRoche
CSI: Crime Scene Investigation
Adam Gilford
CSI: Crime Scene Investigation
Drew Rich
Castle
Kevin Ryan
CSI: Miami
Paul Billings
CSI: NY
Charles Cooper
Cold Case
Hank Dempsey
Ghost Whisperer
Rich Henderson
Mad Men
Chuck
Crossing Jordan
Tom Murch
MacGyver
Griggs
Charmed
Mitchell Haines
JAG
Caden Duran
Titans
Trigon
Titans
Trigon / Captain Frank Finney
Tracker
Max Miller
NCIS: Hawaiʻi
Scott
Undressed
Randy
Drop Dead Diva
Tyler Mack
Without a Trace
Ronald Phelps
Hunters
Tomasz Arndt
Legion
Don Eichman
Pensacola: Wings of Gold
Lewis
Dark Blue
Nick Perry
Threshold
Agent Detoro
True Lies
Reed
Army Wives
Dr. Chris Ferlinghetti
Waco: The Aftermath
Andy the German
Close to Home
Justin Matthews
Kung Fu
Max DeVeer
Take Two
Todd Garlin
Invitation to a Murder
Lawrence Kane
Hollywoodland
Phillip
A Great Divide
Ranger Tom Drake
She's No Angel
Cricket
Outside the Law
Rick Michell
Ready or Not
Marc
Monkey Love
Aaron Miles
McBride: The Doctor is Out...Really Out
Allen
Mystery Woman: Snapshot
Billy
Nikki and Nora
Officer Paul Cordone
Mindgame
Ray
Awaken
Henry Viser
The Black
Dr. Simon Carver
Shooting LA
Colin