Yes, certainly, appearance and other things you mention can be confused for intelligence. Also, and I experienced it as a child, a listening ability (in other words, silence.) That said, tell me, do you consider IQ tests and scores valid measures of intelligence?
I took one once, became bored and tired of it three quarters into it and finished it just to finish it by making quick blind guesses. I still got a high score, which I no longer remember, mainly because I dismissed the whole thing, concluding that the test tested a particular skill of puzzle solving (and, of course, one's patience, which my psychological profile, and probably the horoscope as well, say I lack.) I think that musicians, engineers and computer programmers would do well on such tests, but writers and philosophers would do badly.
I mean, is a card shark highly ‘intelligent’? What about x42? We know that he’s manipulative, has figured out the game, we know that he’s affable, and affability is one characteristic that is often confused for intelligence. How intelligent is Bill Gates to do such dumb things as his non-Microsoft activities (throwing money into the garbage dump of Africa, foir example)?