Matthew John Armstrong is an actor.
Supernatural
2005
NCIS
2003
The Mentalist
2008
Bones
House
2004
CSI: Miami
2002
American Horror Story
2011
Scandal
2012
Heroes
2006
Private Practice
2007
Crossing Jordan
2001
The Shield
Justified
2010
Numb3rs
Perception
American Dreams
Family Law
1999
Raising the Bar