1. Your looks (huuuuge! especially for ladies)
2. Height (for the guys)
3. Your social skills/likeability (for everyone)
4. Your age (younger is better)
5. Connections/friends inside the company or industry
Just off the top of my head, those are probably the biggest ones that "won't show up on a resume". If I had to guess I would say #1 and #5 are the most important in today's cut-throat employment world.
If you got looks and connections? You will go far in the work world, I have seen it over and over again
I've observed at least 3 different people that didn't even go to college, yet command good salaries and "higher up" positions due solely to connections