Stan Lee · every age
What was Stan Lee doing at 66?
Editor at 18, invented the Marvel universe at 38
- May 1989
First on-screen cameo, as a juror in a TV Hulk movie
The Trial of the Incredible Hulk. Dozens more followed.
Source: en.wikipedia.org
Others at 66
Portrait: Photo: Gage Skidmore (2014), CC BY-SA 3.0, via Wikimedia Commons · source