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

6.817

Transformers
2007-06-27

6.485

Green Zone
2010-03-11

5.624

Dreamcatcher
2003-03-21

The Gun in Betty Lou's Handbag

5.065

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

7.325

Air
2023-04-05

Around the Bend

5.9

Around the Bend
2004-10-08

5.1

Blind Justice
1994-06-25

A Quiet Little Marriage

4.5

A Quiet Little Marriage
2008-10-18

Dancer, Texas Pop. 81

6.958

Dancer, Texas Pop. 81
1998-05-01

War of the Worlds

0

War of the Worlds

Dallas Buyers Club

7.92

Dallas Buyers Club
2013-11-01

For Their Own Good

6

For Their Own Good
1993-04-05

An Unremarkable Life

0

An Unremarkable Life
1989-10-12

4.3

Bride Hard
2025-06-19

5.328

Bushwhacked
1995-08-04

The Grim Sleeper

4.9

The Grim Sleeper
2014-03-15

Virtual Obsession

4.286

Virtual Obsession
1998-02-01

The Legend of Bagger Vance

6.596

The Legend of Bagger Vance
2000-11-02

7.082

Traffic
2000-12-27

Nothing But the Truth

6.945

Nothing But the Truth
2008-12-19

4.7

ATF
1999-09-06

5.5

Crazy
2008-03-02

Victim of Love: The Shannon Mohr Story

7.25

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

Secondhand Lions

7.189

Secondhand Lions
2003-09-19

6.803

Indivisible
2018-10-26

6.189

The Sunchaser
1996-05-29

6.062

Jennifer Eight
1992-11-06

5.9

Danger One
2018-09-14

6.052

Ghost Story
1981-12-18

6.599

Sea of Love
1989-09-15

6.348

Clemency
2019-12-27

7.099

Lorenzo's Oil
1992-12-30

Beyond Betrayal

6.333

Beyond Betrayal
1994-10-11

The Stand at Paxton County

5.9

The Stand at Paxton County
2020-05-02

6.228

J. Edgar
2011-11-09

3.882

American Crime
2004-04-06

7.055

Seabiscuit
2003-07-22

4.327

The Mod Squad
1999-03-26

0

Cold Call
2021-02-04

Awake to Danger

6

Awake to Danger
1995-03-12

5.7

Standoff
1998-01-11

8.2

This Is Us
2016-09-20

7.325

JAG
1995-09-23

8.379

The X-Files
1993-09-10

7.706

Roswell
1999-10-06

7.243

Chicago Hope
1994-09-18

Ghost Whisperer

8.08

Ghost Whisperer
2005-09-23

7

The Glades
2010-07-11

Rizzoli & Isles

7.905

Rizzoli & Isles
2010-07-12

7.789

24
2001-11-06

7.789

24
2001-11-06

6.3

Extant
2014-07-09

7

FlashForward
2009-09-24

Law & Order: LA

6.8

Law & Order: LA
2010-09-29

Diagnosis: Murder

7.087

Diagnosis: Murder
1993-10-29

8.059

Bates Motel
2013-03-18

7.077

Manhattan
2014-07-27

8.3

The West Wing
1999-09-22

Sons of Anarchy

8.4

Sons of Anarchy
2008-09-03

8.4

The Mentalist
2008-09-23

8.2

Grey's Anatomy
2005-03-27

7.767

11.22.63
2016-02-15

One West Waikiki

7.4

One West Waikiki
1994-08-04

5.833

The Nine
2006-10-04

6.675

Echoes
2022-08-19

7.539

Rectify
2013-04-22

8.138

Fringe
2008-09-09

7.136

Scandal
2012-04-05

8.402

The Resident
2018-01-21

8.08

Prison Break
2005-08-29

NCIS: Los Angeles

7.536

NCIS: Los Angeles
2009-09-22

7.624

NCIS
2003-09-23

7.826

ER
1994-09-19

Commander in Chief

7.7

Commander in Chief
2005-09-27

7.313

The Unit
2006-03-07

7.171

Shooter
2016-11-15

Tom Clancy's Jack Ryan

7.687

Tom Clancy's Jack Ryan
2018-08-30

8.3

Criminal Minds
2005-09-22

8.3

Fire Country
2022-10-07

6.917

Outer Range
2022-04-14

7.581

Leverage
2008-12-07

6.5

The Romanoffs
2018-10-11

Without a Trace

7.2

Without a Trace
2002-09-26

6.277

The Shining
1997-04-27

8.064

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

Crossing Jordan

7.17

Crossing Jordan
2001-09-24

7.2

Messiah
2020-01-01

7.4

LAX
2004-09-13

5.8

Happy's Place
2024-10-18

7.654

Millennium
1996-10-25

7.6

Boston Public
2000-10-23

6.586

Ally McBeal
1997-09-08

7.7

The Practice
1997-03-04