Michael O'Neill is an actor, known for Dallas Buyers Club (2013), Transformers (2007) and Seabiscuit (2003).
Transformers
Carnivale - Season 1
Fringe - Season 2
This Is Us - Season 5
JAG - Season 4
Carnivale - Season 2
J. Edgar
Diagnosis Murder - Season 6
NCIS Los Angeles - Season 5
Judging Amy - Season 4
L.A. Law - Season 1
This Is Us - Season 1
NCIS Los Angeles - Season 10
Quincy M.E. - Season 4
Ghost Story
CSI: Miami - Season 6
JAG - Season 9
Scandal - Season 5
Rizzoli and Isles - Season 2
Fire Country - Season 1
NCIS - Season 9
The X-Files - Season 9
Necessary Roughness - Season 1
Fringe - Season 5
CSI: Miami - Season 8
JAG - Season 7