- John Hurt – 39
- Yaphet Kotto – 40
- Tom Skerrit – 46
- Ian Holm – 48
- Harry Dean Stanton – 53
The two female actresses, Veronica Cartwright and Sigourney Weaver, were both 30, which seems not entirely out of line with what casting for the movie might look like today.
Has our movie culture just become that much more youth-obsessed in the intervening decades?
(Incidentally: one of the members of the “World Securty Council” in The Avengers was played by Jenny Agutter)