Mark O'Brien (born May 7th, 1984) is a Canadian actor and director. He is best known for playing the role of Des Courtney in Republic of Doyle (2010) and Tom Rendon in Halt and Catch Fire (2014).
Infinity, Inc. was a group of teens comprised mostly of children or heirs to JSA. The second group with the title were granted powers and outfitted with names of former members by Lex Luthor to serve his purposes
