TV Shows (Acting Roles)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages![Fire Country Poster of Fire Country](//actoragecheck.com/image/LzZYbkEwMlZSRzRkaEJwVFpXR1p1WFFkWUdEVy5qcGcAACh231.jpg)
Fire Country
Michael O'Neill was
75+ in Fire Country
as 'Harlan Denbo'.
First Air Date
Fri, Oct 07 2022
![Echoes Poster of Echoes](//actoragecheck.com/image/L2h6OFlHSVpFVEhKaFhZV0dhSHNGUFZ3VTRZVS5qcGcAACh231.jpg)
Echoes
Michael O'Neill was
75+ in Echoes
as 'Victor McCleary'.
First Air Date
Fri, Aug 19 2022
![Outer Range Poster of Outer Range](//actoragecheck.com/image/LzlsZUdtSURhbXNXSkVMWXowcFprcjJFWFVGZi5qcGcAACh231.jpg)
Outer Range
Michael O'Neill was
74+ in Outer Range
as 'Judge Pettigrew'.
First Air Date
Thu, Apr 14 2022
![Messiah Poster of Messiah](//actoragecheck.com/image/L3BzZW0yaks5R0dDMGc3ZGNqYjRONVNDWWIxdS5qcGcAACh231.jpg)
Messiah
Michael O'Neill was
72+ in Messiah
as 'Cameron Collier'.
First Air Date
Wed, Jan 01 2020
![The Romanoffs Poster of The Romanoffs](//actoragecheck.com/image/L2NoWmptbkpoS3Q5bmxpUXk3Z3Z3SVBwN1FRbS5qcGcAACh231.jpg)
The Romanoffs
Michael O'Neill was
71+ in The Romanoffs
as 'Ron Hopkins'.
First Air Date
Thu, Oct 11 2018
![Tom Clancy's Jack Ryan Poster of Tom Clancy's Jack Ryan](//actoragecheck.com/image/L2NPNHB5M0wzcTVHTlByQTBxcjF3VkRyb3NLMS5qcGcAACh231.jpg)
Tom Clancy's Jack Ryan
Michael O'Neill was
71+ in Tom Clancy's Jack Ryan
as 'Senator Mitchell Chapin'.
First Air Date
Thu, Aug 30 2018
![The Resident Poster of The Resident](//actoragecheck.com/image/LzJJa1lRSmxUMjZ5WGVmMmlvdDdkaFJ0YXZTQy5qcGcAACh231.jpg)
The Resident
Michael O'Neill was
70+ in The Resident
as 'Joshua Williams'.
First Air Date
Sun, Jan 21 2018
![S.W.A.T. Poster of S.W.A.T.](//actoragecheck.com/image/LzFsN3ZzQUlrcU96cnFpUHdqTzI3Q2I1UWRmSi5qcGcAACh231.jpg)
S.W.A.T.
Michael O'Neill was
70+ in S.W.A.T.
as 'Carl, Carl Luca'.
First Air Date
Thu, Nov 02 2017
![Shooter Poster of Shooter](//actoragecheck.com/image/L29NbXF0YWZtNlJkbGthMWVqSmVDOUJEV3p5Ty5qcGcAACh231.jpg)
Shooter
Michael O'Neill was
69+ in Shooter
as 'Ray Brooks'.
First Air Date
Tue, Nov 15 2016
![This Is Us Poster of This Is Us](//actoragecheck.com/image/L2h1eG1ZNkRtendwdjVRMmhuTmZ0MFVNSzd2Zi5qcGcAACh231.jpg)
This Is Us
Michael O'Neill was
69+ in This Is Us
as 'Arlo'.
First Air Date
Tue, Sep 20 2016
![11.22.63 Poster of 11.22.63](//actoragecheck.com/image/LzFmSDQxY2NNS3ZnRFRiYmNDeFdXSDZmem5haC5qcGcAACh231.jpg)
11.22.63
Michael O'Neill was
68+ in 11.22.63
as 'Arliss Price'.
First Air Date
Mon, Feb 15 2016
![Manhattan Poster of Manhattan](//actoragecheck.com/image/L3FaZU16UDNtTkM5SmJ1ZmJTbVpZVDBaN3Jwai5qcGcAACh231.jpg)
Manhattan
Michael O'Neill was
67+ in Manhattan
as 'Psychiatrist'.
First Air Date
Sun, Jul 27 2014
![Extant Poster of Extant](//actoragecheck.com/image/L25Gd3FIWG9QMUZ4RmJkOEc4ZFkxM3k5YmZBWC5qcGcAACh231.jpg)
Extant
Michael O'Neill was
67+ in Extant
as 'Alan Sparks'.
First Air Date
Wed, Jul 09 2014
![Rectify Poster of Rectify](//actoragecheck.com/image/L3RtOW5RZTkxNjVjeWpuVHo4TkI1MGl6d2NwSi5qcGcAACh231.jpg)
Rectify
Michael O'Neill was
65+ in Rectify
as 'Senator Roland Foulkes'.
First Air Date
Mon, Apr 22 2013
![Bates Motel Poster of Bates Motel](//actoragecheck.com/image/L3hYS2NmWkU3dWxZeGdqall2NTFzMHpERzY5cy5qcGcAACh231.jpg)
Bates Motel
Michael O'Neill was
65+ in Bates Motel
as 'Nick Ford'.
First Air Date
Mon, Mar 18 2013
![Scandal Poster of Scandal](//actoragecheck.com/image/LzRYbUY4UE1TcXRIQ0dOb0wxNW9IYmpyNVp1Ty5qcGcAACh231.jpg)
Scandal
Michael O'Neill was
64+ in Scandal
as 'Lonnie Mencken'.
First Air Date
Thu, Apr 05 2012
![Law & Order: LA Poster of Law & Order: LA](//actoragecheck.com/image/L214WVd2N1hlZVVxVDBpa1c5Y2NJeWplSktUUS5qcGcAACh231.jpg)
Law & Order: LA
Michael O'Neill was
63+ in Law & Order: LA
as 'Jeb Monroe'.
First Air Date
Wed, Sep 29 2010
![Rizzoli & Isles Poster of Rizzoli & Isles](//actoragecheck.com/image/L3FRZ1RJc0k2aVd2NGpPM2tNNnRIV1ZzS0lJTS5qcGcAACh231.jpg)
Rizzoli & Isles
Michael O'Neill was
63+ in Rizzoli & Isles
as 'Jonathan McKnight'.
First Air Date
Mon, Jul 12 2010
![The Glades Poster of The Glades](//actoragecheck.com/image/LzQ0bWtxMEtwT25ncEpTczIybTBMZFAzN0pwcC5qcGcAACh231.jpg)
The Glades
Michael O'Neill was
63+ in The Glades
as 'Trent Staley'.
First Air Date
Sun, Jul 11 2010
![FlashForward Poster of FlashForward](//actoragecheck.com/image/LzdpdTJISjhaU05iQmdGTGk0MkpOY3VQakJheC5qcGcAACh231.jpg)
FlashForward
Michael O'Neill was
62+ in FlashForward
as 'CIA Director Keller'.
First Air Date
Thu, Sep 24 2009
![NCIS: Los Angeles Poster of NCIS: Los Angeles](//actoragecheck.com/image/L1RJSWdjem53TmZOcjNLT1p2eG4yNmVLVjk5LmpwZw=AACh231.jpg)
NCIS: Los Angeles
Michael O'Neill was
62+ in NCIS: Los Angeles
as 'Ret. U.S. Army General Richard Collins'.
First Air Date
Tue, Sep 22 2009
![Leverage Poster of Leverage](//actoragecheck.com/image/L3Q1S0pYb29CcUpMS1VDbHB2WXVTS05yY1lHeS5qcGcAACh231.jpg)
Leverage
Michael O'Neill was
61+ in Leverage
as 'Judge Roy'.
First Air Date
Sun, Dec 07 2008
![The Mentalist Poster of The Mentalist](//actoragecheck.com/image/L2FjWVh1NEthRGoxTklrTWdPYm5oZTRDNGEwVC5qcGcAACh231.jpg)
The Mentalist
Michael O'Neill was
61+ in The Mentalist
as 'Sheriff Nelson'.
First Air Date
Tue, Sep 23 2008
![Fringe Poster of Fringe](//actoragecheck.com/image/L3NZOWhnNWRMSjkzUkpPeUtFaXUxbkF0QlJORC5qcGcAACh231.jpg)
Fringe
Michael O'Neill was
61+ in Fringe
as 'Sheriff Velchik'.
First Air Date
Tue, Sep 09 2008
![Sons of Anarchy Poster of Sons of Anarchy](//actoragecheck.com/image/L3lQTGtmNEVpQ2tSME5Pdk1mbXBITUEyemZOMy5qcGcAACh231.jpg)
Sons of Anarchy
Michael O'Neill was
61+ in Sons of Anarchy
as 'Anthony Franklin'.
First Air Date
Wed, Sep 03 2008
![The Nine Poster of The Nine](//actoragecheck.com/image/LzVGV3NCSzk2VThWVXl3T3VuMU4zNGNDVTdOai5qcGcAACh231.jpg)
The Nine
Michael O'Neill was
59+ in The Nine
as 'Pete Burton'.
First Air Date
Wed, Oct 04 2006
![The Unit Poster of The Unit](//actoragecheck.com/image/L2Z0d2hYcWl6Y1ZSbzRwZ3FGblR5c1I5dEFJTS5qcGcAACh231.jpg)
The Unit
Michael O'Neill was
58+ in The Unit
as 'Ron Cheals'.
First Air Date
Tue, Mar 07 2006
![Commander in Chief Poster of Commander in Chief](//actoragecheck.com/image/LzJXTVMzYTQzcHBMeHFEVEh5R1ltT3NxT0Jici5qcGcAACh231.jpg)
Commander in Chief
Michael O'Neill was
58+ in Commander in Chief
as 'Congressman Wilcox'.
First Air Date
Tue, Sep 27 2005
![Ghost Whisperer Poster of Ghost Whisperer](//actoragecheck.com/image/L25JYm9YWENwb3JNTzlYc2txN1JzZjQ1WjZxVy5qcGcAACh231.jpg)
Ghost Whisperer
Michael O'Neill was
58+ in Ghost Whisperer
as 'Nolan'.
First Air Date
Fri, Sep 23 2005
![Criminal Minds Poster of Criminal Minds](//actoragecheck.com/image/L3dMTVFlYmhUQXBtbjRGNkZ6ZzZGb3Zkd1Z2TC5qcGcAACh231.jpg)
Criminal Minds
Michael O'Neill was
58+ in Criminal Minds
as 'Det. Yarbough'.
First Air Date
Thu, Sep 22 2005
![Prison Break Poster of Prison Break](//actoragecheck.com/image/LzVFMUJoa0NnakxCbHF4NTU3WjV5emNOMGk4OC5qcGcAACh231.jpg)
Prison Break
Michael O'Neill was
58+ in Prison Break
as 'Herb Stanton'.
First Air Date
Mon, Aug 29 2005
![Grey's Anatomy Poster of Grey's Anatomy](//actoragecheck.com/image/L2pjRWw4U0lTTmZHZGxRRndMemVFdHNqRHZwdy5qcGcAACh231.jpg)
Grey's Anatomy
Michael O'Neill was
57+ in Grey's Anatomy
as 'Gary Clark'.
First Air Date
Sun, Mar 27 2005
![NCIS Poster of NCIS](//actoragecheck.com/image/LzJleE9IZVBqT1RxdVVzYlRoUEdodUVqWVR5QS5qcGcAACh231.jpg)
NCIS
Michael O'Neill was
56+ in NCIS
as 'Riley McCallister'.
First Air Date
Tue, Sep 23 2003
![Without a Trace Poster of Without a Trace](//actoragecheck.com/image/L2lOaEUyODNpWTd4dFM4ekNqaFN4cFRmT3puMC5qcGcAACh231.jpg)
Without a Trace
Michael O'Neill was
55+ in Without a Trace
as 'Thomas Shannon'.
First Air Date
Thu, Sep 26 2002
![24 Poster of 24](//actoragecheck.com/image/L2lxNnlyWjVMRURYZjFBckNPWUxxOFBJVUJwVi5qcGcAACh231.jpg)
24
Michael O'Neill was
54+ in 24
as 'Richard Welsh, Richard Walsh'.
First Air Date
Tue, Nov 06 2001
![Crossing Jordan Poster of Crossing Jordan](//actoragecheck.com/image/L2J5d0ZvSG9MWnZXMnZ4RGM3bjRUb0FLa1IweS5qcGcAACh231.jpg)
Crossing Jordan
Michael O'Neill was
54+ in Crossing Jordan
as 'Chris Benz'.
First Air Date
Mon, Sep 24 2001
![Roswell Poster of Roswell](//actoragecheck.com/image/LzQ3Q2FUcGFoNjJieGJBa1dBTkR6WmRKeGt4dy5qcGcAACh231.jpg)
Roswell
Michael O'Neill was
52+ in Roswell
as 'Philip Evans'.
First Air Date
Wed, Oct 06 1999
![The West Wing Poster of The West Wing](//actoragecheck.com/image/L3lxRFdyNU5BRTdtMUlXcnlnWXdMeUVCNnBOMC5qcGcAACh231.jpg)
The West Wing
Michael O'Neill was
52+ in The West Wing
as 'Ron Butterfield'.
First Air Date
Wed, Sep 22 1999
![The Shining Poster of The Shining](//actoragecheck.com/image/L1lUSDg1MURwUXhvV0ZSdTlnQVl3UE01Nll5LmpwZw=AACh231.jpg)
The Shining
Michael O'Neill was
49+ in The Shining
as 'Daniel Edwards (uncredited)'.
First Air Date
Sun, Apr 27 1997
![JAG Poster of JAG](//actoragecheck.com/image/L3pQeUhwa0paNU8wOGxiZ3JRUUlST1h0YjN4ei5qcGcAACh231.jpg)
JAG
Michael O'Neill was
48+ in JAG
as 'Commander Bradley'.
First Air Date
Sat, Sep 23 1995
![ER Poster of ER](//actoragecheck.com/image/L3JBeGQ4SDB6R0g2MVJXTVBWWmlSOXpUNE5xay5qcGcAACh231.jpg)
ER
Michael O'Neill was
47+ in ER
as 'Col. Ken Kilner'.
First Air Date
Mon, Sep 19 1994
![Chicago Hope Poster of Chicago Hope](//actoragecheck.com/image/L3g4aWMzM3Q0TnVySnVsMW9YbXZLd0t0V0gyOC5qcGcAACh231.jpg)
Chicago Hope
Michael O'Neill was
47+ in Chicago Hope
First Air Date
Sun, Sep 18 1994
![One West Waikiki Poster of One West Waikiki](//actoragecheck.com/image/L2hXZmFSQmdRckpGRlh3Tnl0Rm9OM3J2czhzeC5qcGcAACh231.jpg)
One West Waikiki
Michael O'Neill was
47+ in One West Waikiki
First Air Date
Thu, Aug 04 1994
![Diagnosis: Murder Poster of Diagnosis: Murder](//actoragecheck.com/image/LzV5aG96ZVkyS2dZWFFRRTlrZmJpSXl5cFlpSS5qcGcAACh231.jpg)
Diagnosis: Murder
Michael O'Neill was
46+ in Diagnosis: Murder
as 'Sheriff Buck O'Hara'.
First Air Date
Fri, Oct 29 1993
![The X-Files Poster of The X-Files](//actoragecheck.com/image/LzVCRDBraVRHbkR4T05xZHJzc3dUZXduazZXSC5qcGcAACh231.jpg)
The X-Files
Michael O'Neill was
46+ in The X-Files
as 'Patrol Captain Van Gelder'.
First Air Date
Fri, Sep 10 1993