Glenn was born in Dallas, Texas on April 24, 1959. Glenn has been married to wife, Carolyn since 1978. They have 2 children together.
Glenn started getting into acting from an early age and has featured in mutiple projects on both television and film. He tends to play military or law enforcement roles.
Glenn also works as a motivational speaker when he is not acting.
He has had roles on popular shows such as The West Wing and CSI:Crime Scene Investigation and is currently playing Secret Service Agent Aaron Pierce on the drama 24.
|Moneyball||Sep 23, 2011||Hopkins||7.9|
|The Crazies||Feb 26, 2010||Intelligence Officer||7.0|
|The Men Who Stare at Goats||Nov 6, 2009||Major General Holtz / Major Holtz||6.2|
|The Core||Mar 28, 2003||FBI Agent||4.2|
|The Last Shot||Sep 24, 2004||Agent McCaffrey||7.7|
|Backwards||Sep 21, 2012||Coach Spriklin / Coach Spriklin||7.0|
|Transformers: Revenge of the Fallen||Jun 24, 2009||General Morshower||5.6|
|After Earth||May 31, 2013||Commander Velan / Commander Velan||4.2|
|Delta Farce||May 11, 2007||General||4.6|
|Transformers: Age Of Extinction||Jun 27, 2014||General Morshower||tbd|
|Dark Places||Sep 1, 2014||Jim Jeffreys||tbd|