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

6.831

Transformers
2007-06-27

6.5

Green Zone
2010-03-11

5.651

Dreamcatcher
2003-03-21

The Gun in Betty Lou's Handbag

5.118

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

7.279

Air
2023-04-05

Around the Bend

5.945

Around the Bend
2004-10-08

5.242

Blind Justice
1994-06-25

A Quiet Little Marriage

5.1

A Quiet Little Marriage
2008-10-18

Dancer, Texas Pop. 81

7

Dancer, Texas Pop. 81
1998-05-01

War of the Worlds

4.105

War of the Worlds
2025-07-29

Dallas Buyers Club

7.913

Dallas Buyers Club
2013-11-01

For Their Own Good

6.286

For Their Own Good
1993-04-05

An Unremarkable Life

10

An Unremarkable Life
1989-10-12

5.6

Bride Hard
2025-06-19

5.395

Bushwhacked
1995-08-04

The Grim Sleeper

4.9

The Grim Sleeper
2014-03-15

Virtual Obsession

4.125

Virtual Obsession
1998-02-01

The Legend of Bagger Vance

6.6

The Legend of Bagger Vance
2000-11-02

7.095

Traffic
2000-12-27

Nothing But the Truth

6.951

Nothing But the Truth
2008-12-19

5.75

ATF
1999-09-06

5.525

Crazy
2008-03-02

Victim of Love: The Shannon Mohr Story

7.643

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

Secondhand Lions

7.208

Secondhand Lions
2003-09-19

6.884

Indivisible
2018-10-26

6.301

The Sunchaser
1996-05-29

6.1

Jennifer Eight
1992-11-06

6.1

Danger One
2018-09-14

6

Ghost Story
1981-12-18

6.609

Sea of Love
1989-09-15

6.264

Clemency
2019-12-27

7.101

Lorenzo's Oil
1992-12-30

Beyond Betrayal

6.5

Beyond Betrayal
1994-10-11

The Stand at Paxton County

5.9

The Stand at Paxton County
2020-05-02

6.2

J. Edgar
2011-11-09

3.81

American Crime
2004-04-06

7.064

Seabiscuit
2003-07-22

4.414

The Mod Squad
1999-03-26

0

Cold Call
2021-02-04

Awake to Danger

6.75

Awake to Danger
1995-03-12

6

Standoff
1998-01-11

5.6

Flying Lessons
2010-02-04

8.2

This Is Us
2016-09-20

7.291

JAG
1995-09-23

8.373

The X-Files
1993-09-10

7.732

Roswell
1999-10-06

7.25

Chicago Hope
1994-09-18

Ghost Whisperer

8.073

Ghost Whisperer
2005-09-23

6.9

The Glades
2010-07-11

Rizzoli & Isles

7.9

Rizzoli & Isles
2010-07-12

7.786

24
2001-11-06

7.786

24
2001-11-06

6.285

Extant
2014-07-09

7.027

FlashForward
2009-09-24

Law & Order: LA

6.81

Law & Order: LA
2010-09-29

Diagnosis: Murder

7.1

Diagnosis: Murder
1993-10-29

8.1

Bates Motel
2013-03-18

7.064

Manhattan
2014-07-27

8.3

The West Wing
1999-09-22

Sons of Anarchy

8.4

Sons of Anarchy
2008-09-03

8.354

The Mentalist
2008-09-23

8.209

Grey's Anatomy
2005-03-27

7.756

11.22.63
2016-02-15

One West Waikiki

7.667

One West Waikiki
1994-08-04

5.8

The Nine
2006-10-04

6.556

Echoes
2022-08-19

7.557

Rectify
2013-04-22

8.1

Fringe
2008-09-09

7.199

Scandal
2012-04-05

8.4

The Resident
2018-01-21

8.071

Prison Break
2005-08-29

NCIS: Los Angeles

7.537

NCIS: Los Angeles
2009-09-22

7.622

NCIS
2003-09-23

7.83

ER
1994-09-19

Commander in Chief

7.6

Commander in Chief
2005-09-27

7.352

The Unit
2006-03-07

7.198

Shooter
2016-11-15

Tom Clancy's Jack Ryan

7.679

Tom Clancy's Jack Ryan
2018-08-30

8.3

Criminal Minds
2005-09-22

8.073

Fire Country
2022-10-07

6.886

Outer Range
2022-04-14

7.593

Leverage
2008-12-07

6.377

The Romanoffs
2018-10-11

Without a Trace

7.251

Without a Trace
2002-09-26

6.323

The Shining
1997-04-27

8.036

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

Crossing Jordan

7.188

Crossing Jordan
2001-09-24

7.236

Messiah
2020-01-01

7.333

LAX
2004-09-13

6.286

Happy's Place
2024-10-18

7.706

Millennium
1996-10-25

7.622

Boston Public
2000-10-23

6.542

Ally McBeal
1997-09-08

7.664

The Practice
1997-03-04

7.013

Numb3rs
2005-01-23

5.9

Close to Home
2005-09-20

6.773

Happy Face
2025-03-20

7.888

Boston Legal
2004-10-03

7.459

Army Wives
2007-06-03

7.704

CSI: Miami
2002-09-23

7.544

Tracker
2024-02-11