Seamus Dever (born July 27th, 1976) is an American actor, best known for playing Detective Kevin Ryan in the television series Castle (2009).
A Great Divide
(Ranger Tom Drake)
Ready or Not
(Marc)
Monkey Love
(Aaron Miles)
Nikki and Nora
(Officer Paul Cordone)
McBride: The Doctor is Out...Really Out
(Allen)
Shooting LA
(Colin)
Invitation to a Murder
(Lawrence Kane)
Hollywoodland
(Phillip)
She's No Angel
(Cricket)
The Black
(Dr. Simon Carver)
Outside the Law
(Rick Michell)
Mystery Woman: Snapshot
(Billy)
Awaken
(Henry Viser)
Mindgame
(Ray)
Mad Men
(Chuck)
Castle
(Kevin Ryan)
CSI: Crime Scene Investigation
(Adam Gilford)
Threshold
(Agent Detoro)
Ghost Whisperer
(Rich Henderson)
CSI: Miami
(Paul Billings)
Cold Case
(Hank Dempsey)
Crossing Jordan
(Tom Murch)
Charmed
(Mitchell Haines)
CSI: NY
(Charles Cooper)
CSI: Crime Scene Investigation
(Drew Rich)
NCIS: Los Angeles
(Alexi Goncharov)
Army Wives
(Dr. Chris Ferlinghetti)
NCIS
(Graham Thomas)
Close to Home
(Justin Matthews)
Drop Dead Diva
(Tyler Mack)
Pensacola: Wings of Gold
(Lewis)
Dark Blue
(Nick Perry)
The Rookie
(Chaz Bachman)
True Lies
(Reed)
Kung Fu
(Max DeVeer)
Take Two
(Todd Garlin)
Hunters
(Tomasz Arndt)
NCIS: Hawai'i
(Scott)
Waco: The Aftermath
(Andy the German)
JAG
(Caden Duran)
Undressed
(Randy)
Legion
(Don Eichman)
MacGyver
(Griggs)
Titans
(Trigon)
Without a Trace
(Ronald Phelps)
Titans
(Trigon / Captain Frank Finney)
NCIS
(Inspector General Gabriel LaRoche)
Tracker
(Max Miller)