1. DeLuise of comedy
2. Metric land measure
3. Covert federal grp.
4. Lady lobster
5. Ex checks?
6. Pond buildup
7. Knack
8. Rhea relative
9. Ravel preventer
10. Ethically indifferent
11. Important
12. Show respect, in a way
13. Observe
18. TV offering
22. Cupid's counterpart
23. Flash of light
24. Busybody
25. Important
27. Chucklehead
29. CD follower
30. Certain tribute
32. Be a bad winner
34. Adjust, as laces
35. German industrial center
37. Bargain hunter's delight, e.g.
38. It's never without charge
40. Greek war god
41. Bygone US/USSR tension
43. Off course
44. Boring
45. Oddly amusing
46. Bits
49. Excursion
50. Center of a ball?
52. 16A contents
53. Get a move on
54. World finance org.
55. Majors of filmdom
56. Mess up