1: Masher's comeuppance, maybe
4: Do the work of a pipefitter, maybe
5: Hiding place for David Copperfield
10: Gog and Magog at Armageddon, e.g.
11: Starring vehicle for Sigourney Weaver
12: Put a new price on, say
25: It may zoom in or out
27: English poet Alexander
31: Buckwheat noodles of Japan
38: Place for the catbird?
45: Abbott and Costello and Burns and Allen
51: Sudden burst of energy
52: Second word of an apology
53: Gas used in arc welding