Mix butter and cracker crumbs. Butter shallow baking dish and put 1/3 of the mixture on the bottom. Add layer of oysters. Mix cream, oyster liquor, sherry, Worcestershire sauce, and pepper. Cover layer of oysters with half of sauce. Add another 1/3 of the crumbs, place remaining oysters on top, and add remaining sauce. Sprinkle with the remaining 1/3 of the crumbs. Bake in hot oven (425°F) for 10 or 15 minutes until crumbs are lightly browned.
