Spray large nonstick skillet with cooking spray; heat over medium heat until hot. Add potatoes; cook 10 to 12 minutes or until lightly browned, stirring occasionally. Remove from skillet. Keep warm.
Brown ground beef in same skillet over medium heat 8 to 10 minutes, breaking up into 3/4-inch crumbles and stirring occasionally. Remove drippings. Season beef with salt and pepper, as desired. Stir in salsa, corn and 1/4 cup cilantro; cook 5 minutes or until heated through, stirring occasionally. Stir in potatoes; sprinkle with cheese. Cook 1 to 2 minutes or until heated through and cheese is melted.