Prepare stuffing according to package directions; set aside.
Spread potatoes over the bottom of a 13x9-inch baking dish that has been sprayed with cooking spray.
In medium bowl, combine gravy and soup; mix until well combined. Stir in turkey; layer over potatoes. Sprinkle with cheese and top with stuffing.
Bake in a preheated 375°F oven 30 minutes or until golden brown and bubbly.