I love this picture
The cast of Star Wars.
Whisky pointed out that Anthony Daniels / C3P0 isn't in this shot, so here's what he looked like back then:
Here's a fun article with more shots from back in the day.
Just to be that way, here's my post / review on the book these shots came from. I've requested the book from the library again to get a scan of that pic I talk about, which I'll post here when I get it. Stay tuned.
And here it is, the photo of Mary Lind, film control coordinator: