​Louis Ferreira (born Luís Ferreira, also known as Louis Ferreira or Justin Louis, sometimes spelled as Justin Lewis) is a Portuguese Canadian actor.Ferreira is best known for his roles in Stargate Universe as Colonel Everett Young, serial killer Ray Prager in the first season of Durham County, FBI Assistant Director John Pollock in Missing, and Art Blank in Saw IV, Saw V, and Saw 3D. He starred in the CTV series Motive[4] as homicide detective Oscar Vega.From Wikipedia, the free encyclopedia