Preheat oven to 375 deg. In a 25 cm pie plate, combune vanilla-wafer crumbs & melted butter. Press mixture into pie plate & make a slight edge. Bake crust 8-10 min.until lightly browned; cool on rack. Meanwhile, in a large saucepan, prepare pudding mix as lablel directs but use only 2.5 C. milk; set aside. Drain cantaloupe pieces well on paper towels; stir chunks into pudding mixture. Cover surface of pudding mixture with plastic wrap & refrigerate about 30 min. or until set. Whip cream & fold into pudding mixture, spoon intocrust. refrigerate until set. 6-8 servings.