Preheat oven to 350°.
Heat a large nonstick skillet over medium-high heat. Coat pan with cooking spray. Add 1 cup onion and bell pepper; sauté 5 minutes or until tender. Add crawfish, cheeses, and soup. Cook over medium heat until cheese melts, stirring occasionally. Stir in wild rice and remaining ingredients. Spoon into a 13 x 9-inch baking dish coated with cooking spray. Bake at 350° for 30 minutes.