Remember, Wilford Brimley (the "diabeetus guy" who was in those ads to lean on his fame as an actor) didn't start acting until he was in his 30s and didn't make it on screen until his 40s, and he wasn't a big actor until his 50s.

When I went back to college in 2020 about half of my graduating class was over the age of 30 and about a third was over the age of 50 (and honestly the older students landed by far the cushiest jobs by graduation, so they were able to skip about 10-15 years of career progression based on prior work experience in an entirely different industry/profession