Michael O'Neill

Best known as a Supporting Actor based on credits in that role in 13 films, with $742,027,315 worldwide aggregate box office (rank #5,059)
Best-known acting roles: Mr. Pollard (Seabiscuit), Colonel Bethel (Green Zone), Dr. Sevard (Dallas Buyers Club), Ralph (Secondhand Lions), General Matheson (Dreamcatcher)
Most productive collaborators: Matthew McConaughey, Matt Damon, Jennifer Garner, Paul Greengrass, Denis O'Hare
                                    

  1. Summary
  2. Acting Credits
  3. Technical Credits

Career Summary


  MoviesDomestic
Box Office		International
Box Office		Worldwide
Box Office
As an ActorSupporting13$431,125,716$310,901,599$742,027,315
Lead Ensemble Member1$0$0$0
(Unclassified)1$574,838$0$574,838

Latest Ranking on Selected Box Office Record Lists


RecordRankAmount
Top Stars at the Domestic Box Office (Rank 3,701-3,800) 3,715 $431,700,554
Top Stars at the International Box Office (Rank 8,101-8,200) 8,161 $310,893,422
Top Stars at the Worldwide Box Office (Rank 5,801-5,900) 5,852 $742,593,976

See the Acting Credits tab for all Acting Box Office Records and the Technical Credits tab for all Technical Box Office Records.


All Acting Credits



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Release
Date		TitleRoleDomestic
Box Office		International
Box Office		Worldwide
Box Office
Jun 20, 2025Bride Hard Frank $543,400$543,400
Dec 27, 2019Clemency Chaplain Kendricks $364,716$236$364,952
Oct 26, 2018Indivisible Chaplain Rogers $3,511,417$78,216$3,589,633
Sep 14, 2018Danger One Beckwith
Nov 1, 2013Dallas Buyers Club Dr. Sevard $27,298,285$33,313,560$60,611,845
Nov 9, 2011J. Edgar Senator McKeller $37,306,030$47,300,000$84,606,030
Mar 12, 2010Green Zone Colonel Bethel $35,497,337$62,025,683$97,523,020
Dec 19, 2008Nothing But the Truth CIA Director $3,500$223,130$226,630
Sep 19, 2003Secondhand Lions Ralph $42,070,939$5,831,627$47,902,566
Jul 25, 2003Seabiscuit Mr. Pollard $120,277,854$28,437,488$148,715,342
Mar 21, 2003Dreamcatcher General Matheson $33,685,268$42,000,000$75,685,268
Nov 3, 2000The Legend of Bagger V… O.B. Keeler $30,695,227$8,540,259$39,235,486
May 1, 1998Dancer, Texas Pop. 81 Mr. Lusk $574,838$574,838
Dec 22, 1989Always Groung Pounder $41,843,630$30,300,000$72,143,630
Sep 15, 1989Sea of Love Raymond Brown $58,571,513$52,308,000$110,879,513
 
Averages $33,207,735$23,915,508$53,043,011
Totals 15 $431,700,554$310,901,599$742,602,153


Leading or Lead Ensemble Roles


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Release
Date		TitleOpening
Weekend		Maximum
Theaters		Domestic
Box Office		Worldwide
Box Office		Domestic
Share
Sep 14, 2018Danger One
 
Averages n/an/an/an/a0.0%
Totals 1 n/an/a


Supporting Roles


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Release
Date		TitleOpening
Weekend		Maximum
Theaters		Domestic
Box Office		Worldwide
Box Office		Domestic
Share
Jun 20, 2025Bride Hard $543,400
Dec 27, 2019Clemency $35,364127$364,716$364,95299.9%
Oct 26, 2018Indivisible $1,503,101830$3,511,417$3,589,63397.8%
Nov 1, 2013Dallas Buyers Club $260,8651,110$27,298,285$60,611,84545.0%
Nov 9, 2011J. Edgar $11,217,3241,985$37,306,030$84,606,03044.1%
Mar 12, 2010Green Zone $14,309,2953,004$35,497,337$97,523,02036.4%
Dec 19, 2008Nothing But the Truth $3,5002$3,500$226,6301.5%
Sep 19, 2003Secondhand Lions $12,139,8323,038$42,070,939$47,902,56687.8%
Jul 25, 2003Seabiscuit $20,854,7352,573$120,277,854$148,715,34280.9%
Mar 21, 2003Dreamcatcher $15,027,4232,945$33,685,268$75,685,26844.5%
Nov 3, 2000The Legend of Bagger V… $11,516,7122,162$30,695,227$39,235,48678.2%
Dec 22, 1989Always $3,713,4801,206$41,843,630$72,143,63058.0%
Sep 15, 1989Sea of Love $10,017,8401,439$58,571,513$110,879,51352.8%
 
Averages $8,383,2891,702$35,927,143$57,079,02460.6%
Totals 13 $431,125,716$742,027,315

Latest Ranking on All Acting Box Office Record Lists


RecordRankAmount
Top 100 Stars in Supporting Roles at the Domestic Box Office (Rank 2,901-3,000) 2,921 $431,125,716
Top Live Action Stars at the Domestic Box Office (Rank 3,101-3,200) 3,159 $431,700,554
Top Above the Line Stars at the Domestic Box Office (Rank 8,901-9,000) 8,936 $3,876,133
Top Below the Line Stars at the Domestic Box Office (Rank 1,901-2,000) 1,919 $427,246,083
Top Stars at the Domestic Box Office (Rank 3,701-3,800) 3,715 $431,700,554
Top 100 Stars in Supporting Roles at the International Box Office (Rank 7,301-7,400) 7,348 $310,893,422
Top Live Action Stars at the International Box Office (Rank 7,001-7,100) 7,060 $310,893,422
Top Above the Line Stars at the International Box Office (Rank 16,001-16,100) 16,076 $78,452
Top Below the Line Stars at the International Box Office (Rank 6,101-6,200) 6,118 $310,591,840
Top Stars at the International Box Office (Rank 8,101-8,200) 8,161 $310,893,422
Top 100 Stars in Supporting Roles at the Worldwide Box Office (Rank 5,001-5,100) 5,059 $742,019,138
Top Live Action Stars at the Worldwide Box Office (Rank 5,001-5,100) 5,048 $742,593,976
Top Above the Line Stars at the Wordwide Box Office (Rank 12,301-12,400) 12,397 $3,954,585
Top Below the Line Stars at the Worldwide Box Office (Rank 3,901-4,000) 3,981 $737,837,923
Top Stars at the Worldwide Box Office (Rank 5,801-5,900) 5,852 $742,593,976

All Technical Credits