Deathstroke
In live-action , Deathstroke has been portrayed by Manu Bennett on The CW's television show "Arrow" , by Esai Morales on the DC Universe series "Titans" , and by Joe Manganiello in the DC Extended Universe , beginning with a cameo in the 2017 film "Justice League" . 
<triplet> Deathstroke <subj> Manu Bennett <obj> performer <subj> Arrow <obj> present in work <subj> Esai Morales <obj> performer <subj> Joe Manganiello <obj> performer <subj> Justice League <obj> present in work <triplet> Arrow <subj> Manu Bennett <obj> cast member <triplet> Justice League <subj> Joe Manganiello <obj> cast member <subj> DC Extended Universe <obj> part of the series