Mark O'Brien

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).

Personal Info

Known For Acting

Gender Male

Birthday May 7, 1984

Place of Birth St. Johns

Filmography

2025

Nuremberg

as Colonel John Amen

Movie

2019

Ready or Not

as Alex Le Domas

Movie