Some characters speak exclusively in English, others speak German or Polish or Spanish or Portuguese.
He mostly alternates between speaking English to the passengers, and German to his crew.
Characters who speak other languages are dubbed in English by different actors!
Make sure your settings look like this on Netflix before watching 1899.But in 1899, confusion is constant because of the different languages being spoken.
Obviously there are folks out there who require "English Dubbed" for different reasons (perhaps they are sight-impaired), but if you are able, I recommend sticking to those options