Film quiz

[Big Kev]

Saw this on usenet.

Can you identify the following film titles just by the initials???
For example TMWKTM = The Man Who Knew Too Much

1 TGTBATU
2 OFOTCN
3 MPATHG
4 BOTFOJ
5 SWATSD
6 HISTK
7 IJATTOD
8 BCATSK
9 TSOTL
10 ROTLA
11 PTAA
12 CCBB
13 SBFSB
14 FWAAF
15 TWOTW
16 WEHTBJ
17 SOTD
18 HPATPOA
19 TWOO
20 TLOTRTTT

None of the films are obscure (apart from, maybe, one which has a UK bias).

[Bauer]

at a glance I get 1 #18

further glancing unveils
and #20
and #15
and #7