When Denis is watching Mr. Rash put a necklace on Imogene, in the shots inside the tavern her left hand is down, but in the shots from outside the tavern looking in, her left hand is raised up.
The term "mulatto" is an outdated and offensive term used to refer to people of mixed European and African heritage. Meinhart Maur, who plays the character called "the mulatto," is Hungarian and has no African features.