Visible crew/equipment: In the last scene while Brian and the others are singing you can see a tourist walking in the background. (01:30:30)
Visible crew/equipment: When the spaceship is being attacked, the alien bumps up a bit, and if you look closely you can see a face under the right hand alien. (00:43:28)
Visible crew/equipment: You can clearly see overhead wiring during the manger scene near the beginning.