Brian Timothy Geraghty (born May 13, 1974) is an American film and television actor, best known for his roles as Ronald Pergman on Big Sky, Dale on the series The Fugitive, Gene Colder on Briarpatch, Theodore Roosevelt on The Alienist, Police Officer Sean Roman on Chicago P.D., Specialist Owen Eldre ... dge in the Academy Award-winning film The Hurt Locker, Tom Bogdan in We Are Marshall, Billy Hodge in The Guardian, and Fergus O'Donnell in Jarhead.
Jake Gyllenhaal Challenges the Winner of the Nobel Peace Prize
2010
as Fergus O'Donnell (archive footage)
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| Organization | Category | Movie |
|---|
Chicago P.D.
as Sean Roman
Episodes: 47
First Aired: Jan 08, 2014
Big Sky
as Ronald Pergman
Episodes: 34
First Aired: Nov 17, 2020
1923
as Zane Davis
Episodes: 16
First Aired: Dec 18, 2022
The Fugitive
as Dale
Episodes: 14
First Aired: Aug 03, 2020
The Alienist
as Theodore Roosevelt
Episodes: 10
First Aired: Jan 22, 2018
Briarpatch
as Gene Colder
Episodes: 10
First Aired: Feb 06, 2020
Chicago Fire
as Sean Roman
Episodes: 6
First Aired: Oct 10, 2012
True Blood
as Brian Eller
Episodes: 3
First Aired: Sep 07, 2008
Chicago Med
as Sean Roman
Episodes: 3
First Aired: Nov 17, 2015
Gaslit
as Peter
Episodes: 2
First Aired: Apr 24, 2022
Ed
as Ari
Episodes: 1
First Aired: Oct 08, 2000
The Sopranos
as Counter Boy
Episodes: 1
First Aired: Jan 10, 1999
Law & Order: Special Victims Unit
as Peter Butler
Episodes: 1
First Aired: Sep 20, 1999
Law & Order
as Phillip Ludwick
Episodes: 1
First Aired: Sep 13, 1990
Law & Order: Special Victims Unit
as Sean Roman
Episodes: 1
First Aired: Sep 20, 1999
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Popularity History
| Year | Month | Avg | Max | Min |
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| 2024 | 6 | 19 | 27 | 11 |
| 2024 | 7 | 31 | 49 | 16 |
| 2024 | 8 | 19 | 33 | 12 |
| 2024 | 9 | 20 | 34 | 10 |
| 2024 | 10 | 10 | 14 | 6 |
| 2024 | 11 | 10 | 16 | 6 |
| 2024 | 12 | 14 | 21 | 7 |
| 2025 | 1 | 18 | 30 | 9 |
| 2025 | 2 | 9 | 19 | 2 |
| 2025 | 3 | 6 | 17 | 1 |
| 2025 | 4 | 1 | 1 | 1 |
| 2025 | 5 | 2 | 3 | 1 |
| 2025 | 6 | 1 | 2 | 1 |
| 2025 | 7 | 1 | 1 | 0 |
| 2025 | 8 | 2 | 4 | 0 |