Brian Jacob Smith is an American actor, known for his role as Will Gorski in the Netflix-produced series Sense8, Lieutenant Matthew Scott in the military science fiction television series Stargate Universe, and his Tony Award-nominated role as Jim O'Connor in the 2013 revival of The Glass Menagerie.

First Lieutenant Matthew Scott, USAF is a fictional character from the 2010 science fiction television series, Stargate Universe, the third live-action series in the Stargate franchise, which centers on a group of soldiers and civilians trapped on the Ancient vessel Destiny. He is portrayed by Brian J. Smith. Matthew Scott holds the rank of First Lieutenant, and is described as a skilled and well-trained junior SGC member in his twenties, but is "mentally unprepared for the urgency of the situation" aboard the Destiny.