Seamus Patrick Dever (born July 27, 1976) is an American actor best known for his role as Detective Kevin Ryan in the ABC series Castle.Dever was born in Flint, Michigan, and grew up in Bullhead City, Arizona. He graduated as valedictorian of Bullhead City Mohave High School, completed his undergraduate studies at Northern Arizona University, and holds MFAs in Acting from the Moscow Art Theatre and Carnegie-Mellon University.A lifetime member of the Actors Studio, Dever married Juliana Dever on May 27, 2006. Juliana played Jenny Ryan, Ryan's wife, on Castle. He is a cousin of Broadway actress Jeanne Arnold and Canadian singer-songwriter Feist. Wikipedia
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