Colm Meaney

Colm J. Meaney (born May 30, 1953) is an Irish actor. He is widely known for playing Miles O'Brien in Star Trek: The Next Generation and Star Trek: Deep Space Nine. He is second only to Michael Dorn i... Colm J. Meaney (born May 30, 1953) is an Irish actor. He is widely known for playing 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.