Character mistake: When the housekeeper shows the new nanny, Mrs Baylock, where to go, she says,"Round that corner to the right and it's the door facing you." So what does the nanny do? She turns left.
Character mistake: The first victim gets smacked in the face by the Mistress, and then in subservient fashion holds her hand and kisses it asking if she hurt her hand hitting him. Thing is, she slapped him with the right hand and he is kissing the left better. (00:01:40)