My underlaying question behind all these drawings is 'What does Jesus Christ's face look like?' So I explored with my sketches, but to no avail. Perhaps the face of Man is simply Everyman who is authentic and true _ not some masked face of deception.
Anyway, here is my simple montage.
I may have already covered those mentioned expressions, such as #11_suspicion, #23_ worry, #19_ amused, #14_bored. As you said, a slight variation can change everything. They don't have to be overdone like a cartoon.