Across

1 "Leaving on a ___ Plane"
4 The Lion King villain
8 Alluring, for short
12 Historical period
13 Star's wheels (abbr.)
14 Top rated
15 Poorly lit
16 One of the Baldwin boys
17 Hot to ___ (Goldthwait film)
18 30 Across models for ___ (2 wds.)
21 Cable network
22 "Owner of a Lonely Heart" group
23 Anthony Perkins, in Green Mansions
26 Rummy variety
27 Lassie's foot
30 The Messenger star (2 wds.)
34 Luau side dish
35 This Is Spinal ___
36 Long Day's Journey ___ Night
37 Pushing ___ with John Cusack
38 In the past
40 30 Across's costar in The Fifth Element (2 wds.)
45 Low quality
46 ___-screen (video format)
47 VHS successor
49 "It's Impossible" singer
50 Word of regret
51 Actress Thompson
52 Volcanos do it
53 Hankerings
54 "___ of the World" (Skeeter Davis tune)

Down

1 Pa Clampett
2 With 43 Down, Monty Python member
3 Author Janowitz
4 Eastern Europeans (abbr.)
5 Eyelashes
6 Prayer-ending word
7 Stallone film set in Russia (2 wds.)
8 Microsoft magnate
9 Actress Petty
10 Of unknown authorship (abbr.)
11 When Harry ___ Sally...
19 Temporary calm
20 Letterman rival
23 Band's sound booster
24 Dutch is one
25 Inventor Whitney
26 George W.'s party (abbr.)
27 Frat brother's jewelry
28 Nightclub routine
29 Abbott and Costello's first baseman
31 Suffix for problem
32 Star Trek: Voyager captain
33 Bass ___ (stringed instrument)
37 Presumed Innocent author
38 Actor Quinn
39 Cagney & Lacey star
40 Betty the toon
41 Three Coins in the Fountain setting
42 ___ E. Coyote
43 See 2 Down
44 Cinematographer Nykvist
45 Home computers (abbr.)
48 Martin Sheen, to Charlie