Kim's first audition was for the Tom Hanks-Steven Spielberg TV miniseries The Pacific,where he was given the role of a 14-year-old Japanese soldier in the episode "Okinawa". Kim then spent two years finishing high school and playing the part of Dale "Macca" McGregor, a recurring character in the Australian soap opera Neighbours. Currently, Kim has a starring role on the TNT television adventure show The Librarians as Ezekiel Jones, a thief, "master of technologies" and fan of classic crimes who enjoys playing the role of an international man of mystery. His character matures during the course of the season.