Matthew John Armstrong is an actor.
House, M.D.
Kalvin Ryan
★ 8.6
Supernatural
Elias Finch / Phoenix
★ 8.3
American Horror Story
Detective Byers
★ 8.1
The Mentalist
Deputy Nick Fisher
★ 8.4
Bones
William Preston
★ 8.2
2005
NCIS
Michael Hayes
2003
2008
2004
CSI: Miami
Jeffrey Lipton
2002
2011
Private Practice
Daron Rousakis
2007
Skandal
Ronnie Miller
2012
Crossing Jordan
John Bailey
2001
Heroes
Ted Sprague
2006
The Shield
Lou
Numb3rs
Richard Davis
Justified
Hitman
2010
Perception
Dr. Trevor Rhodes
American Dreams
Pete Pryor
Family Law
1999
Raising the Bar
Adam Nolan
Threshold
Turks
Joey Turk
