At the start the image of the rocket switches between an Atlas booster with a Mercury capsule, an Atlas booster with a dummy payload, and a finned rocket booster.
Several views of the Russian jet showed a US registration number N319CA and one of the doors that was open downward part of the words "United Air Lines" could be seen.
The various Russian characters have weak accents, which do not fit the cliche "Russian" identity that was standard in so many spy films of the time. E.g. they take words like "very" and "victorious" and don't twist them into "wery" and "wictorious."