<P> Mark O'Brien ( born May 7 , 1984 ) is a Canadian actor and director . He is best known for playing the role of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire . </P>
<P> Mark O'Brien ( born May 7 , 1984 ) is a Canadian actor and director . He is best known for playing the role of Des Courtney in Republic of Doyle and Tom Rendon in Halt and Catch Fire . </P>
who plays tom on halt and catch fire
who plays tom on halt and catch fire
Mark O'Brien
Mark O'Brien