Audio problem: In the Bastille dungeon just after Phillippe knocked out the guard with the key we hear Athos say 'We feared the mask would destroy you', but his lips do not move in sync with this. It looks more like he originally said 'We thought you were dead'. (01:44:54)
Audio problem: At the mask-ball, when Louis is seeing iron masks everywhere and rushes out, the music suddenly stops, but in the background we can see the violinists still playing (moving their bows) - we don't hear any sound.
Answer: There would be both genetic similarities and individual differences, and their vocabularies would have developed differently by education and experience. However, Phillipe was heavily tutored before the switch took place, and as "king" he would be able to distance himself (physically, mentally, and emotionally) as much as needed from members of his court until he perfected his role, along with the continued help from those in on the deception. Also, the audience and readers of the novel are expected to employ a certain "suspension of disbelief" in order to allow the story to be told.
raywest ★