Michael O'Neill, Acting - KorPlix:Korean Person Archives

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Michael O'Neill
Acting

Michael O'Neill
Known For
Acting
Birthday
1947-05-29,Montgomery, Alabama, USA
Gender
Male
Biography
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.

Filmography

6.823

Transformers
2007-06-27

6.485

Green Zone
2010-03-11

5.629

Dreamcatcher
2003-03-21

The Gun in Betty Lou's Handbag

5.1

The Gun in Betty Lou's Handbag
1992-08-21

7.292

Air
2023-04-05

Around the Bend

5.906

Around the Bend
2004-10-08

5.1

Blind Justice
1994-06-25

A Quiet Little Marriage

5.1

A Quiet Little Marriage
2008-10-18

Dancer, Texas Pop. 81

6.962

Dancer, Texas Pop. 81
1998-05-01

War of the Worlds

4.19

War of the Worlds
2025-07-29

Dallas Buyers Club

7.918

Dallas Buyers Club
2013-11-01

For Their Own Good

6.2

For Their Own Good
1993-04-05

An Unremarkable Life

0

An Unremarkable Life
1989-10-12

5.631

Bride Hard
2025-06-19

5.355

Bushwhacked
1995-08-04

The Grim Sleeper

4.9

The Grim Sleeper
2014-03-15

Virtual Obsession

3.875

Virtual Obsession
1998-02-01

The Legend of Bagger Vance

6.591

The Legend of Bagger Vance
2000-11-02

7.084

Traffic
2000-12-27

Nothing But the Truth

6.954

Nothing But the Truth
2008-12-19

4.7

ATF
1999-09-06

5.342

Crazy
2008-03-02

Victim of Love: The Shannon Mohr Story

7.2

Victim of Love: The Shannon Mohr Story
1993-11-09

Secondhand Lions

7.191

Secondhand Lions
2003-09-19

6.831

Indivisible
2018-10-26

6.3

The Sunchaser
1996-05-29

6.064

Jennifer Eight
1992-11-06

6

Danger One
2018-09-14

6.018

Ghost Story
1981-12-18

6.608

Sea of Love
1989-09-15

6.265

Clemency
2019-12-27

7.091

Lorenzo's Oil
1992-12-30

Beyond Betrayal

6.3

Beyond Betrayal
1994-10-11

The Stand at Paxton County

5.9

The Stand at Paxton County
2020-05-02

6.226

J. Edgar
2011-11-09

3.65

American Crime
2004-04-06

7.058

Seabiscuit
2003-07-22

4.3

The Mod Squad
1999-03-26

0

Cold Call
2021-02-04

Awake to Danger

6

Awake to Danger
1995-03-12

5.636

Standoff
1998-01-11

5.6

Flying Lessons
2010-02-04

8.2

This Is Us
2016-09-20

7.3

JAG
1995-09-23

8.373

The X-Files
1993-09-10

7.718

Roswell
1999-10-06

7.214

Chicago Hope
1994-09-18

Ghost Whisperer

8.077

Ghost Whisperer
2005-09-23

6.904

The Glades
2010-07-11

Rizzoli & Isles

7.915

Rizzoli & Isles
2010-07-12

7.785

24
2001-11-06

7.785

24
2001-11-06

6.315

Extant
2014-07-09

7

FlashForward
2009-09-24

Law & Order: LA

6.854

Law & Order: LA
2010-09-29

Diagnosis: Murder

7.119

Diagnosis: Murder
1993-10-29

8.057

Bates Motel
2013-03-18

7.05

Manhattan
2014-07-27

8.243

The West Wing
1999-09-22

Sons of Anarchy

8.414

Sons of Anarchy
2008-09-03

8.4

The Mentalist
2008-09-23

8.21

Grey's Anatomy
2005-03-27

7.75

11.22.63
2016-02-15

One West Waikiki

7.4

One West Waikiki
1994-08-04

5.769

The Nine
2006-10-04

6.581

Echoes
2022-08-19

7.553

Rectify
2013-04-22

8.133

Fringe
2008-09-09

7.188

Scandal
2012-04-05

8.396

The Resident
2018-01-21

8.073

Prison Break
2005-08-29

NCIS: Los Angeles

7.54

NCIS: Los Angeles
2009-09-22

7.625

NCIS
2003-09-23

7.829

ER
1994-09-19

Commander in Chief

7.603

Commander in Chief
2005-09-27

7.3

The Unit
2006-03-07

7.191

Shooter
2016-11-15

Tom Clancy's Jack Ryan

7.68

Tom Clancy's Jack Ryan
2018-08-30

8.297

Criminal Minds
2005-09-22

8.2

Fire Country
2022-10-07

6.871

Outer Range
2022-04-14

7.594

Leverage
2008-12-07

6.3

The Romanoffs
2018-10-11

Without a Trace

7.2

Without a Trace
2002-09-26

6.3

The Shining
1997-04-27

8.053

S.W.A.T.
2017-11-02

Crossing Jordan

7.179

Crossing Jordan
2001-09-24

7.234

Messiah
2020-01-01

7.125

LAX
2004-09-13

5.944

Happy's Place
2024-10-18

7.701

Millennium
1996-10-25

7.594

Boston Public
2000-10-23

6.548

Ally McBeal
1997-09-08

7.6

The Practice
1997-03-04

7.025

Numb3rs
2005-01-23

5.9

Close to Home
2005-09-20

6.9

Happy Face
2025-03-20

7.911

Boston Legal
2004-10-03

7.474

Army Wives
2007-06-03

7.711

CSI: Miami
2002-09-23

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