Brían F. O'Byrne and Elizabeth Rodriguez in Prime Suspect (2011)

Brían F. O'Byrne in Prime Suspect (2011)

Kirk Acevedo, Brían F. O'Byrne, and David Meunier in Prime Suspect (2011)

Maria Bello and Brían F. O'Byrne in Prime Suspect (2011)

Kirk Acevedo, Tim Griffin, and Brían F. O'Byrne in Prime Suspect (2011)

Brían F. O'Byrne and Michael Shannon in Bug (2006)

Brían F. O'Byrne and Genevieve Padalecki in Flashforward (2009)

Ethan Hawke and Brían F. O'Byrne in Brooklyn's Finest (2009)

Brían F. O'Byrne in An Everlasting Piece (2000)

Barry McEvoy and Brían F. O'Byrne in An Everlasting Piece (2000)

Anna Friel, Barry McEvoy, and Brían F. O'Byrne in An Everlasting Piece (2000)

Laurence Kinlan, Barry McEvoy, and Brían F. O'Byrne in An Everlasting Piece (2000)

Jason Isaacs and Brían F. O'Byrne in Brotherhood (2006)

Jason Clarke and Brían F. O'Byrne in Brotherhood (2006)

Ralph Fiennes and Brían F. O'Byrne in Conclave (2024)

Brían F. O'Byrne in The Grey Zone (2001)

Brían F. O'Byrne and Callum Turner in Queen & Country (2014)

Sinéad Keenan and Brían F. O'Byrne in Little Boy Blue (2017)

Brían F. O'Byrne, Stella Maeve, and Jason Ralph in The Magicians (2015)

Brían F. O'Byrne in The Magicians (2015)

Brían F. O'Byrne and Arjun Gupta in The Magicians (2015)

Brían F. O'Byrne, Ambyr Childers, and Cameron Deane Stewart in Aquarius (2015)

Brían F. O'Byrne, Abby Miller, Gethin Anthony, and Emma Dumont in Aquarius (2015)

Brían F. O'Byrne, Ambyr Childers, Mark L. Young, Gethin Anthony, Madisen Beaty, Emma Dumont, and Cameron Deane Stewart in Aquarius (2015)

Brían F. O'Byrne and Gethin Anthony in Aquarius (2015)

Brían F. O'Byrne, Gethin Anthony, and Emma Dumont in Aquarius (2015)

Brían F. O'Byrne and Emma Dumont in Aquarius (2015)

Brían F. O'Byrne at an event for Easy (2003)

Naveen Andrews, Marguerite Moreau, and Brían F. O'Byrne at an event for Easy (2003)

Billy Connolly, Anna Friel, Barry McEvoy, and Brían F. O'Byrne in An Everlasting Piece (2000)