BRIAN GERAGHTY

Brian Geraghty – Overview

Full name: Brian Timothy Geraghty
Born: May 13, 1975 (age 50) – though some sources list 1974, most commonly 1975 aligns with his high school timeline 
Birthplace: Toms River, New Jersey, USA
Ancestry: Irish American

Early Life & Education

Growing up in Toms River, Brian was the son of Dennis Geraghty, a bus driver. He graduated from Toms River High School East in 1993 . After high school, he pursued formal training at New York’s respected Neighborhood Playhouse School of Theatre, completing a two-year conservatory program before launching his acting career in New York City and later relocating to Los Angeles .

Rise to Prominence in Film

Brian earned critical acclaim with supporting roles in notable war dramas:

• Jarhead (2005) as PFC Fergus O’Donnell opposite Jake Gyllenhaal 

• The Hurt Locker (2008) as Specialist Owen Eldridge—an Oscar-winning film recognized for its intense realism 

He also appeared in other significant films like The Guardian, Bobby, We Are Marshall, and Flight (2012), showcasing his range across both mainstream and independent cinema .

Television Career Highlights

Brian has had a prolific presence on TV:

• Launched his screen career with early roles on Law & Order and The Sopranos .

• Portrayed Agent Warren “Jim” Tolliver on Boardwalk Empire (2013) .

• Joined Chicago P.D. (2014–16, recurring in 2020) as Officer Sean Roman; he also crossed over into Chicago Fire and Chicago Med .

• In The Alienist (2018), he depicted a young Theodore Roosevelt to wide praise .

• More recently, he appeared as Ronald Pergman in Big Sky (2020–22) and plays Zane Davis in 1923 (2022–25) on Paramount+ .

Other Work & Credits

Brian's resume features over 55 acting credits in both film and television, including indie projects like Easier with Practice, Wildlike, and Blindfire . He has occasionally stepped behind the camera, serving as a producer on films like Loitering with Intent and The Stanford Prison Experiment .

Personal Life & Interests

Brian is an avid surfer and participates in beach life whenever possible . Off-screen, he's known to enjoy flying and contributing to charitable causes . His past relationships include actress Krysten Ritter (2011–13) and model Amber Kekich .

Summary & Impact

From his early stage training in New York to impactful performances in Oscar-winning films and gripping television roles, Brian Geraghty has crafted a diverse and enduring career. Known for his grounded character work, he continues to build a solid body of work across multiple genres and platforms.