Mark O'BrienCritical Reception6.3 / 10Avg critic score · 2 filmsArrivalHighest rated · 7.4 / 10NurembergLowest rated · 5.2 / 10Mark O'Brien 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.Known ForBest ReviewedMost Popular7.4Arrival2016Acting (2)Sort:YearCritic Score2025NurembergColonel John Amen5.22016ArrivalCaptain Marks7.47.9
