Behind-The-Scenes snaps from Ridley Scott's Alien reveal the real Xenomorph. It's interesting to me that the early design concept for the Xenomorph with the slightly human/skull face is something they came back to in the fourth Alien film.
GQ apparently only decided to keep the "important" half of Christina Hendricks in this shot from (Thanks Creswell Whitpan!) // Mad Men in GQ: January Jones, Jon Hamm, John Slattery, and Jessica Pare: Movies + TV: GQ
If Classic Movies Had Made The Worst Possible Casting Decisions