Brían F. O'Byrne

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Known For


Cast Credits

Little Boy Blue (2017)
Starring as Steve Jones
Mercy Street (2016)
Starring as Allan Pinkerton (5 episodes)
Aquarius (2015)
Starring as Ken Karn (21 episodes)
Saints & Strangers (2015)
Starring as John Billington, Sr. (2 episodes)
The Bastard Executioner (2015)
Guest starring as Baron Ventris (3 episodes)
The Magicians (2015)
Guest starring as Mayakovsky (3 episodes)
The Last Ship (2014)
Guest starring as Sean (7 episodes)
Mildred Pierce (2011)
Starring as Bert Pierce
Prime Suspect (2011)
Starring as Reg Duffy (12 episodes)
Love/Hate (2010)
Starring as Mick Moynihan (2 episodes)
FlashForward (2009)
Starring as Aaron Stark
Law & Order: Special Victims Unit (1999)
Guest starring as Liam Connors
  • Episode 6x16: Ghost (Feb 22, 2005)
Hatton Garden ()
Starring as TBA