At the beach when Desmond decides to go skinny dipping, sometimes Piz is standing right in front of the red jeep, then in other shots, he's gone.
The first time Veronica meets Desmond a boom mic is visible above his head when he's looking at one of his mini bottles.
Logan tells Dick about his assignment as if it should be news to him, yet Dick is clearly seen in the same class both before and after Logan comes up with his idea.
Starting at 19:30 there are two shots of Desmond standing in front of a mirror in which the boom microphone is visible reflected in the upper right corner.