Crossword: ''The Big Build-Up''

Across
1 Old theater name
7 Actor Oka of "Heroes"
11 ___ Rida ("Low" performer with T-Pain)
14 Like some art exhibits
15 "By the look ___..."
16 Ticket seating stat
17 Write down "Vast Asian country with a population of over a billion"?
19 ___ Productions ("Skyfall" company)
20 Notable time periods
21 Dinghy mover
22 James Cameron hit
24 Fifth qtrs.
25 Direct deposit abbr.
26 "Ten Summoner's Tales" singer
27 Crazy situation in "The King's Speech"?
31 ___ corpus
34 Tiny battery size
35 Arms requirement
36 On guard
37 It ain't nothing
38 Chris of the "American Pie" series
39 ___-Flush (former bathroom cleaner brand)
40 Poli ___ (college field of study)
41 They produce mushroom clouds
42 Steal a parachute pants-wearing rapper's plane?
45 Kate's sitcom partner, in the 1980s
46 Guy's counterpart
47 "___ du lieber!"
50 Malfunctions, like a printer
52 Endodontist's degree: abbr.
53 Razor line introduced by Gillette
54 Inventor Whitney
55 Leader of the course "Denial 101"?
58 Actor Cheadle
59 Heidi of "Project Runway"
60 Ultimate
61 Favorite word of nitpicky grammarians
62 Himalayan giant
63 Slender