Colm Meaney
Colm J. Meaney (born May 30, 1953) is an Irish actor. He is widely known for playing Chief Miles O'Brien in Star Trek: The Next Generation and Star Trek: Deep Space Nine. He is second only to Michael Dorn in most appearances in Star Trek episodes. He has guest starred on many other television shows, from Law & Order to The Simpsons, and has a significant career in motion pictures.
Known for
Law Abiding Citizen 
Con Air 
Remarkably Bright Creatures 
Layer Cake 
Get Him to the Greek 
Tolkien 
Under Siege 
The Banker 
Star Trek: Deep Space Nine 
Far and Away 
Hell on Wheels 
No Way Up 
The Damned United 
Bring Them Down 
The Commitments 
Alan Partridge 
The Conspirator 
In the Land of Saints and Sinners 
Seberg 
Norm of the North 
Free Birds 
Bel Ami 
The Englishman Who Went Up a Hill But Came Down a Mountain 
Pixie 
Marlowe 
Childhood's End 
One Chance 
Renegade 
Alice 
The Dead 
Five Fingers 
Unwelcome 
The Van 
War of the Buttons 
Into the West 
Come See the Paradise 
What We Left Behind: Looking Back at Star Trek: Deep Space Nine 
Stand Off 
The Last Right 
The Last of the High Kings 
Duchess 
Save the Cinema 
The Secrets of Emily Blair 
Caved In 
King of Texas 
Three Day Millionaire 
Omega Syndrome 
Cat on a Hot Tin Roof 
A Dangerous Arrangement 
The Problem with People 
There's Always Hope