Brian Timothy Geraghty (born May 13, 1975) is an American actor, known for his roles in the 2005 film '' Jarhead'', the 2008 film '' The Hurt Locker'', and in the 2012 film ''
Flight
Flight or flying is the process by which an object moves through a space without contacting any planetary surface, either within an atmosphere (i.e. air flight or aviation) or through the vacuum of outer space (i.e. spaceflight). This can b ...
'', along with his recurring role in the HBO drama series ''
Boardwalk Empire
''Boardwalk Empire'' is an American period crime drama television series created by Terence Winter and broadcast on the premium cable channel HBO. The series is set chiefly in Atlantic City, New Jersey, during the Prohibition era of the 1920s ...
''. He appeared as a regular on
NBC
The National Broadcasting Company (NBC) is an American English-language commercial broadcast television and radio network. The flagship property of the NBC Entertainment division of NBCUniversal, a division of Comcast, its headquarters ...
Theodore Roosevelt
Theodore Roosevelt Jr. ( ; October 27, 1858 – January 6, 1919), often referred to as Teddy or by his initials, T. R., was an American politician, statesman, soldier, conservationist, naturalist, historian, and writer who served as the 26t ...
in the TV series '' The Alienist''. From 2020 to 2022, he was a main character on the ABC crime drama '' Big Sky.''
Early life
Geraghty was born in
Toms River, New Jersey
Toms River is a township in Ocean County, New Jersey, United States. Its mainland portion is also a census-designated place of the same name, which serves as the county seat of Ocean County.Irish descent. He graduated from Toms River High School East in 1993 and then studied acting at the
Neighborhood Playhouse
A neighbourhood (British English, Irish English, Australian English and Canadian English) or neighborhood (American English; see spelling differences) is a geographically localised community within a larger city, town, suburb or rural area, ...
School of Theatre before beginning his professional career in
New York City
New York, often called New York City or NYC, is the most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the most densely populated major city in the U ...
; he later moved to
Los Angeles
Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the wor ...
.
Career
Geraghty was featured in a small role in the crime drama ''
The Sopranos
''The Sopranos'' is an American Crime film#Crime drama, crime drama television series created by David Chase. The story revolves around Tony Soprano (James Gandolfini), a New Jersey-based American Mafia, Italian-American mobster, portraying h ...
''. Feature roles soon followed, in such pictures as '' Jarhead'', '' Bobby'', ''
The Guardian
''The Guardian'' is a British daily newspaper
A newspaper is a periodical publication containing written information about current events and is often typed in black ink with a white or gray background.
Newspapers can cover a wide ...
HIV
The human immunodeficiency viruses (HIV) are two species of '' Lentivirus'' (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency syndrome (AIDS), a condition in which progressive failure of the immu ...
. In 2013, he portrayed Agent Knox on the HBO crime drama series ''
Boardwalk Empire
''Boardwalk Empire'' is an American period crime drama television series created by Terence Winter and broadcast on the premium cable channel HBO. The series is set chiefly in Atlantic City, New Jersey, during the Prohibition era of the 1920s ...
''. In August 2014, Geraghty was cast as a series regular on the second season of the
NBC
The National Broadcasting Company (NBC) is an American English-language commercial broadcast television and radio network. The flagship property of the NBC Entertainment division of NBCUniversal, a division of Comcast, its headquarters ...
procedural '' Chicago P.D.'', playing Sean Roman. In 2018, Geraghty starred in the TNT drama '' The Alienist'', as NYPD Police Commissioner
Theodore Roosevelt
Theodore Roosevelt Jr. ( ; October 27, 1858 – January 6, 1919), often referred to as Teddy or by his initials, T. R., was an American politician, statesman, soldier, conservationist, naturalist, historian, and writer who served as the 26t ...