Heat oven to 400 degrees. Fit 1 pie crust into a 9" pie plate and crimp edges. Refrigerate until ready to fill. Unroll second crust. Using a 1" star cookie cutter, cut out 50 stars; place on baking sheet and refrigerate until ready to use.
Cream cheese layer: In a medium bowl, beat cream cheese, sugar, vanilla, and egg until smooth. Spread evenly into bottom of pie crust.
Pumpkin layer: In a large bowl, beat pumpkin puree, milk, brown sugar, eggs, pie spice and salt until smooth. Using a ladle, gently spoon pumpkin mixture over cream cheese mixture.
Brush edge of pie with egg-water was. Overlap pastry stars around edge. Brush stars lightly with egg-water wash. Bake at 400 degrees for 15 minutes. Cover edges with foil, reduce heat to 350 degrees and bake for and additional 45 minutes.
Cool pie completely on rack. Refrigerate until completely chilled. Before slicing, leave out for 30 minutes.