Seamus DeverActingJuly 27, 1976 (49 years old)Flint, Michigan, USAPopularity: 1InstagramTwitterIMDbBiographySeamus Dever (born July 27th, 1976) is an American actor, best known for playing Detective Kevin Ryan in the television series Castle (2009).Also Known AsSéamus Patrick Dever • شیمس دیور • شیمس دِوِرKnown For8.5TrendingThe RookieChaz Bachman7.6TrendingNCISGraham Thomas7.6TrendingNCISGabriel LaRoche7.6TrendingCSI: Crime Scene InvestigationAdam Gilford7.6TrendingCSI: Crime Scene InvestigationDrew Rich7.8TrendingCold CaseHank Dempsey7.7CSI: MiamiPaul Billings8.0CastleKevin Ryan7.5NCIS: Los AngelesAlexi Goncharov7.3JAGCaden Duran8.2CharmedMitchell Haines7.5TrackerMax MillerPhotos of Seamus DeverFilmographyMovies14TV Shows31AllCast14Crew1Browse All2020s5.5Invitation to a MurderLawrence Kane4.4A Great DivideRanger Tom Drake2.0AwakenHenry Viser2010s2.0MindgameRay2000s4.1Ready or NotMarc6.1HollywoodlandPhillip7.2McBride: The Doctor is Out...Really OutAllen6.6Mystery Woman: SnapshotBilly1.6Nikki and NoraOfficer Paul Cordone4.1Outside the LawRick Michell4.3She's No AngelCricket3.2Monkey LoveAaron MilesTBAThe BlackDr. Simon Carver