Kate Beckett Character Gallery

CASTLE - "Target" -- In the first of a two-episode story arc, Castle & Beckett begin a murder investigation that also exposes a plot to kidnap the daughter of a wealthy Middle Eastern businessman. Dylan Walsh ("Nip/Tuck") guest stars as FBI Agent Harris, an even-keeled professional brought in to help find the kidnappers, on "Castle," MONDAY, FEBRUARY 18 (10:01-11:00 p.m., ET) on ABC. (ABC/RICHARD FOREMAN) STANA KATIC, NATHAN FILLION, DYLAN WASH