▁military ▁tour ▁over se as . ▁ ▁Andrea ▁Bro oks ▁as ▁E ve ▁T esch m acher ▁( season ▁ 5 ; ▁rec urr ing ▁seasons ▁ 2 – 4 ): ▁A ▁former ▁Cat Co ▁assistant ▁who ▁became ▁part ▁of ▁L ena ' s ▁research ▁team ▁at ▁L - Cor p ▁before ▁being ▁revealed ▁as ▁a ▁d ast ard ly ▁turn co at ▁sp y ▁working ▁for ▁Lex ▁L ut hor . ▁She ▁is ▁also ▁revealed ▁to ▁be ▁an ▁unw illing ▁sp y ▁working ▁for ▁Le vi athan , ▁which ▁has ▁been ▁manip ulating ▁Lex ▁L ut hor . ▁ ▁Jul ie ▁Gonz alo ▁as ▁Andrea ▁Ro jas ▁/ ▁Ac r ata ▁( season ▁ 5 ): ▁A ▁CE O ▁of ▁Ob s id ian ▁Te ch ▁who ▁is ▁the ▁new ▁editor - in - ch ief ▁of ▁Cat co ▁World wide ▁Media ▁and ▁an ▁old ▁friend ▁of ▁L ena ▁L ut hor . ▁ ▁St az ▁N air ▁as ▁William ▁De y ▁( season ▁ 5 ): ▁A ▁new ▁star ▁rep orter ▁at ▁Cat co ▁World wide ▁Media ▁who ▁is ▁secret ly ▁remains ▁under ▁the ▁London ▁Times ▁newsp apers ' ▁employ ▁and ▁under cover ▁to ▁investig ates ▁Andrea ▁Ro jas , ▁suspect ing ▁that ▁she ▁is ▁a ▁criminal . ▁ ▁La Mon ica ▁Gar rett ▁as ▁Mar ▁Nov u ▁/ ▁Mon itor ▁( season ▁ 5 ; ▁guest ▁season ▁ 4 ): ▁The ▁Mon itor ▁is ▁a ▁Mult ivers al ▁being ▁testing ▁different ▁Earth s ▁in ▁the ▁mult iverse ▁in ▁prepar ation