I was a kid and saw this film on TV in the 80's.
It starts with a crashed ship somewhere in the desert. There is a man who's an alien but I don't remember the plot... I think he just wants to go home...?
He meets a woman and reveals that he's not from Earth and take off his "disguise", still looking quite human but with strange eyes and no hair...
It is definitely not Starman, it was cheap, made for TV.
I checked The Man Who Fell to Earth... It could be but I don't think that's the one, there are pictures of other alien kids on the youtube link provided and if I remember correctly the man was the only alien in that film.
maybe a tv show pilot not picked up like anihilator, something like that...?