Preheat oven to 350 degrees. Cook the egg noodles according to package directions.
Meanwhile, brown the beef until fully cooked and season with salt and pepper. Drain of the excess grease and add in the chili powder, cumin, and cream cheese - mix until melted
Remove the beef mixture from the heat and mix in the enchilada sauce, corn, sour cream, Monterrey jack cheese, and green chiles.
Mix in the cooked egg noodles and place in a 9x13 inch casserole dish. Sprinkle with cheddar cheese. Bake uncovered at 350 degrees for 30 minutes.