Humpday Hunks: Luke McFarlane Shirtless December 31, 2008December 31, 2008 Scotty Actors, Hump Day Hunks, Luke McFarlane Luke McFarlane, aka Scotty on ABC’s Brothers and Sisters: Luke McFarlane Shirtless And Luke McFarlane Shirtless Again Shirtless pics of Luke McFarlane are hard to come by, but we scooped these up for you from his role in Tanner on Tanner.