In the script, one of Tommy's lines in the shot-up trawler is "Alex, one man's not going to make enough difference." but in the film, Tommy does not say the "Alex".
That was the only spoken use of "Alex" I spotted in the script, and it was not used.
And I believe Tommy's name is also never spoken.
Note - it's a good thing they have names though because the screenplay would be very hard to read if they didn't have names (since the two of them interact a lot).
The aluminum really shows up in that photo, much less so in closeups of Alex looking out the window. I've seen a couple of people complaining about the modern aluminum windows.