FanFiltration said:

And what happened to the guy in the window? I take it that the person in the window is standing on the gang plank just inside the door, so why is he not there when Kirk and Scott walk onto the Enterprise? Where did he vanish to? It's not the young officer that greets Kirk. We clearly see him arrive in the turbo lift.

Yeah, I circled him in yellow because he looks too big for the window, and yeah, he's not there when they arrive. Maybe he scampered off. He doesn't look like he belongs, just staring out at the approaching Admiral. ;-)