Biography
John Prosky is part of the cast of Stargate SG-1.
Photo and biographical details provided by TMDb.
Filmography
A selection of the most notable projects, via TMDb.
Acting · 28
Ouija: Origin of Evil
2016 · Doctor Fuller
Straight Outta Compton
2015 · Young Doctor
Agent Carter
2015 · Walt Cooper
American Horror Story
2011 · Production Legal Team
Revenge
2011 · Brenda Evans / Oscar Chapman
The Mentalist
2008 · Dr. Evan Quick
Fringe
2008 · Captive Observer
True Blood
2008 · Duke Smith
True Blood
2008 · David Finch
Heroes
2006 · Principal
Grey's Anatomy
2005 · Mr. Singleton
My Name Is Earl
2005 · Mr. Stevens