'Western Approaches' (1944) the thing about this film is all the 'actors' are not actors, but actually merchant marine, Royal Navy or air force, etc.
https://www.youtube.com/watch?v=cT9-UquVvHE
The thing, to me, is that any and all, of them could have been my dads mates (mostly about 40-50 years old)) C. 1985. That was just how they all, without exception, really were.
I was a sailor for fun from in my late 20's. Later, when I gave up soldiering, I worked for the Torres Marine Pilots, in the Torres Strait on an Australian East Cost Prawn Trawler (89 days at sea first trip) and later on Whitsunday Sailboats. My ex wife's family were Royal Navy and my son is joining the Royal Navy...
This channel on YouTube has hours of great Royal Navy documentary film. Do subscribe...