Seamus Dever as NYPD Detective Kevin Ryan Photo
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Photo Coverage: Meet the Cast of CASTLE on ABC!
The Season 5 premiere of "Castle" airs MONDAY, SEPTEMBER 24 (10:01-11:00 p.m. ET) on the ABC Television Network. Also in the episode, Jack Coleman ("Heroes") guest stars as a well-liked U.S. Senator who finds himself in conflict with Beckett.