I would agree with that. However, bear in mind that there was also a draft, so those who volunteered often had more say in their eventual placement. That being said, there was a strong call to duty that people today tend to avoid.
Among one who should also be included from Hollywood is Johnny Carson.
For sports starts: Hank Greenberg, Joe DiMaggio, Ted Williams, Jackie Robinson, George Sisler, Stan Musial, (Stan happens to be my favorite ballplayer of all time) Bob Feller, and Warren Spahn.