But he spent years living on Tatooine, which makes you age in dog years. 🦮
Alec Guinness was only 5 years older than Obi-Wan was supposed to be when he filmed Star Wars. I think it’s more interesting that Mark Hamill is a couple years older in Last Jedi vs Alec Guinness was in Star Wars. 60s was much different in the 1970s than it is today.