Despite the modern, post-USSR insignia that the crew of the Russian submarine wear, the commander addresses an officer as "tovarischi" or "comrades", which is then translated to "gentlemen" in the subtitles.
Julian asks "What are the odds?" and is given the reply "99.999 to the infinite", to which he says "But not 100". But 99.999... equals 100. Try it yourself: call this number X. Multiply X by ten: 10 X = 999.999... Subtract one X from that. This eliminates the sequence of 99.999... and leaves 9 X. Hence 9 X = 900, and therefore 1 X = 100.
There are a number of shots of a satellite in orbit with the Earth behind it. Even though every shot that shows the Earth depicts it in daylight, in one shot the satellite goes into a shadow. If it was the shadow of the Earth then the Sun would have to be directly opposite the Earth, and the side facing us would be dark.