At 13:11, when Syril asks, "Who? And who's this tactical guy in your control room?" (filmed from behind), his mouth movements don't match the timing of the words.
When talking about the Tarkin Massacre it's namesake is repeatedly referred to as Grand Moff Tarkin but that rank didn't even exist until five years later. When talking about this even he should be referred to as Moff Tarkin.