Tom Woodruff Jr type ones
I'd love to have worked on Alien. Animatronics, new techniques, oh drool.
( spangolin - the odds are good but the goods are odd, Sun 6 Jun 2010, 13:37, archived)

Apparently the head they used in Alien
was a combination of moulded plastic and fibreglass.
And the guy they casted for it was a freakishly tall and skinny fella, so he needed holding up :-(
(adam_is_saxy, Sun 6 Jun 2010, 13:54, archived)