This guy is most likely just a background character, but I none-the-less noticed that he has no head.
I first thought it was just a combination of the camera angle and his stance, but the white thing on his shoulders, which I at first thought was a collar of some kind, actually rotates (kind of like R2’s dome-head) and it has antennaes sticking out of it. So I guess this guy’s a cyborg?
We’ve obviously had cyborgs in the movies with Vader, as well as Lobot, and perhaps some pther background characters that I can’t remember right now, but I’ve yet to see someone either in the movies or the EU (both of them) that was missing a head.

I also love the attention to detail in this shot, as well as the fact that a lot of it looks practical. You can even see the TIE-pilot crash through the window."