Brían F. O'Byrne

Acting

• 
  The Grey Zone2001Interrogator
• 
  Intermission2003Mick
• 
  Million Dollar Baby2004Father Horvak
• 
  The New World2005Lewes
• 
  No Reservations2007Sean
• 
  Bug2007Dr. Sweet
• 
  Before the Devil Knows You're Dead2007Bobby Lasorda
• 
  The International2009The Consultant
• 
  FlashForward2009Aaron Stark
• 
  Brooklyn's Finest2010Det. Ronny Rosario
• 
  Mildred Pierce2011Bert Pierce
• 
  Season of the Witch2011Grandmaster (uncredited)
• 
  Jimmy's Hall2014Commander O'Keefe
• 
  Aquarius2015Ken Karn
• 
  Mercy Street2016Allan Pinkerton
• 
  Manhunt2017Frank McAlpine
• 
  Nightflyers2018Auggie
• 
  Conclave2024O'Malley