Seamus Dever is an American actor, best known for playing Detective Kevin Ryan in Castle (2009).
Seamus Dever has appeared in 13 movies.
These include Mystery Woman: Snapshot, Ready or Not, A Great Divide, Monkey Love, Mindgame, Shooting LA, Awaken, Nikki and Nora, Outside the Law, Invitation to a Murder, McBride: The Doctor is Out...Really Out, She's No Angel and Hollywoodland.Seamus Dever has appeared in 30 TV Series.
Some of the most popular TV Shows include: