Michael O'Neill

Michael O'Neill

​From Wikipedia, the free encyclopedia. Michael O'Neill (born May 29, 1951) is an American actor. With a career stretching through three decades, he usually portrays senior law enforcement or military officers. He is perhaps best known for his role as Special agent Ron Butterfield, the head of President Josiah Bartlet's Secret Service detail, on The West Wing. He played CTU Administrative Director Richard Walsh in the first two episodes of 24. He played Sgt. Maj. Ron Cheals in the CBS action-drama series The Unit. He starred in the Season Six 2 part Finale of Grey's Anatomy as the broken widower who holds the hospital hostage with a 9mm while pursuing the doctors responsible for unplugging his wife. His most notable film performances occur in Seabiscuit, Secondhand Lions, Transformers, Dancer, Texas Pop 81, Traffic, Sea of Love, A Quiet Little Marriage, Nothing But the Truth, and Green Zone. O'Neill graduated from Auburn University in 1974. After attending Auburn he spent time under the tutelage of actor Will Geer and his daughter, Ellen, at Theatricum Botanicum in Los Angeles before moving to New York to pursue his career there.
    Known for
    Acting
    Place of birth
    Montgomery, Alabama, USA
    Birthday
    5/29/1947
Transformers
Transformers
6.8
Green Zone
Green Zone
6.5
Dreamcatcher
Dreamcatcher
5.6
The Gun in Betty Lou's Handbag
The Gun in Betty Lou's Handbag
5.1
Air
Air
7.3
Around the Bend
Around the Bend
5.9
Blind Justice
Blind Justice
5.1
A Quiet Little Marriage
A Quiet Little Marriage
4.5
Dancer, Texas Pop. 81
Dancer, Texas Pop. 81
6.8
Dallas Buyers Club
Dallas Buyers Club
7.9
For Their Own Good
For Their Own Good
7.2
An Unremarkable Life
An Unremarkable Life
0
Bride Hard
0
Bushwhacked
Bushwhacked
5.2
The Grim Sleeper
The Grim Sleeper
4.9
Virtual Obsession
Virtual Obsession
4.8
The Legend of Bagger Vance
The Legend of Bagger Vance
6.6
Traffic
Traffic
7.1
Nothing But the Truth
Nothing But the Truth
6.9
ATF
ATF
4.7
Crazy
Crazy
5.5
Victim of Love: The Shannon Mohr Story
Victim of Love: The Shannon Mohr Story
6.3
Secondhand Lions
Secondhand Lions
7.2
Indivisible
Indivisible
6.9
The Sunchaser
The Sunchaser
6.2
Jennifer Eight
Jennifer Eight
6
Danger One
Danger One
6
Ghost Story
Ghost Story
6
Sea of Love
Sea of Love
6.6
Clemency
Clemency
6.3
Lorenzo's Oil
Lorenzo's Oil
7.1
Beyond Betrayal
Beyond Betrayal
4.5
The Stand at Paxton County
The Stand at Paxton County
5.8
J. Edgar
J. Edgar
6.2
American Crime
American Crime
3.9
Seabiscuit
Seabiscuit
7.1
The Mod Squad
The Mod Squad
4.3
Cold Call
Cold Call
0
Awake to Danger
Awake to Danger
4

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