Glenn Keogh

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Known For

Credits

Cast Credits

Scorpion (2014)
Guest starring as Sean O'Brien (4 episodes)
Ray Donovan (2013)
Guest starring as Malcolm Dowd
  • Episode 2x06: Viagra (Aug 17, 2014) [Co-Star]
Once Upon a Time (2011)
Guest starring as King Fergus
Castle (2009)
Guest starring as Tommy
Sons of Anarchy (2008)
Guest starring as Michael Casey (5 episodes)
  • Episode 3x02: Oiled (Sep 14, 2010) [Co-Star]
  • Episode 3x03: Caregiver (Sep 21, 2010) [Co-Star]
  • Episode 3x04: Home (Sep 28, 2010) [Co-Star]
  • Episode 3x08: Lochan Mor (Oct 26, 2010) [Co-Star]
  • Episode 3x09: Turas (Nov 2, 2010) [Co-Star]
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Criminal Minds (2005)
Guest starring as Sean
  • Episode 5x03: Reckoner (Oct 7, 2009) [Co-Star]
NCIS (2003)
  • Episode 14x05: Philly (Oct 18, 2016) [Co-Star]