Good day:
During the quest "Forever Hold Your Peace" in the Thieve's Guild main storyline, my Sorcerer's Clannfear pet is being credited with dialogue in the subtitles that Quen is supposed to be saying once we got inside the palace gates. More than just a subtitle mis-credit, Quen's voice lines are actually being duplicated and echoing over each other. My hunch is that my Clannfear is speaking one set of them with Quen.