MARK HAMILL GOOD GENES OR GOOD DOCS?

9/27/2015 12:20 AM PDT

Mark Hamill: Good Genes or Good Docs?!

Mark Hamill's good looks strike back!

Here's a 29-year-old version of the jedi dreamboat at a "Star Wars" premiere back in 1980 (left) and 35 years later ... the lord of the lightsaber -- who celebrated his 64th birthday earlier this week -- at an event in Anaheim last summer (right).

The force is strong with this one.

The question is ...