Rita's Chicken Casserole

1-16 oz. pkg. Long Grain Wild Rice--original, cooked according to pkg. directions.
1 can cream of chicken soup
3 cups cooked chicken or turkey
1 cup celery
1/4 cup chopped onion
1 can chopped mushrooms
1 cup water chestnuts
3 Tbsp. soy sauce
1 cup buttered bread crumbs
Mix all together and pour into a buttered 3 qt. casserole dish. Sprinkle with bread crumbs. Bake 45 minutes to 1 hour in 350 degree oven.