▁played ▁Jordan ▁Tod d , ▁an ▁F BI ▁agent ▁who ▁works ▁with ▁the ▁ag ency ' s ▁C ounter ▁T error ism ▁Unit . ▁ ▁Prior ▁to ▁the ▁start ▁of ▁season ▁ 6 , ▁it ▁was ▁announced ▁that ▁B rew ster ' s ▁role ▁would ▁be ▁reduced ▁for ▁the ▁up coming ▁season , ▁and ▁Cook ▁would ▁be ▁released ▁from ▁her ▁contract ; ▁they ▁were ▁replaced ▁by ▁Rach el ▁Nich ols ▁as ▁Ash ley ▁Se aver , ▁an ▁F BI ▁cad et . ▁The ▁decision ▁to ▁release ▁Cook ▁and ▁B rew ster ▁from ▁their ▁contract s ▁resulted ▁in ▁a ▁back l ash ▁from ▁fans ▁who ▁signed ▁protest ▁pet itions . ▁Sub sequently , ▁Cook ▁and ▁B rew ster ▁were ▁re inst ated ▁in ▁their ▁roles ▁for ▁season ▁ 7 ▁and ▁Nich ols ▁was ▁released . ▁B rew ster ▁then ▁depart ed ▁from ▁the ▁series ▁after ▁that ▁season ; ▁she ▁was ▁replaced ▁in ▁the ▁e ighth ▁season ▁by ▁Jean ne ▁Tri pp le horn , ▁who ▁played ▁Alex ▁Bla ke , ▁a ▁lingu istics ▁expert . ▁B rew ster ▁did ▁however ▁make ▁a ▁guest ▁appearance ▁as ▁Pr ent iss ▁in ▁the ▁ 2 0 0 th ▁episode . ▁ ▁After ▁two ▁seasons , ▁Tri pp le horn ▁was ▁released ▁from ▁the ▁show ; ▁Jenn ifer ▁Love ▁H ew itt ▁joined ▁the ▁cast ▁for ▁season ▁ 1 0 ▁as ▁Kate ▁Cal la han , ▁a ▁former ▁under cover ▁F BI ▁agent ▁who ▁joins ▁the ▁B AU . ▁During ▁this ▁season , ▁the ▁character ▁of ▁G ide