Jai Stephen Courtney, is an Australian actor. Courtney played the young, villainous Eric in Divergent and reprised this role in the sequel Insurgent. He had previously appeared to mainstream audiences in the first season of Spartacus: Blood and Sand as Varro, as Charlie in Jack Reacher (2012), Jack McClane in A Good Day to Die Hard (2013) and as Gideon in I, Frankenstein (2014). He also appeared in the series reboot of Genisys (2015).
He attended Cherrybrook Technology High School and graduated from Western Australian Academy of Performing Arts. (Alumni include Hugh Jackman and Dominic Purcell).