Heat oven to 350°F. Spray cookie sheet with cooking spray.
If using crescent rolls: Unroll dough; separate into 2 long rectangles. Press each into 12x4-inch rectangle, firmly pressing perforations to seal. If using dough sheet: Unroll dough; cut into 2 long rectangles. Press each into 12x4-inch rectangle.
Spread 1 tablespoon cream cheese spread over each rectangle. Sprinkle evenly with feta cheese, olives and oregano.
Starting with one short side, roll up each rectangle. With serrated knife, cut each roll into 8 slices; place cut side down on cookie sheet.
Bake 15 to 20 minutes or until edges are golden brown. Immediately remove from cookie sheet. Serve warm.