Picture B, directly under the letter B, a woman is missing.

Picture A, Left Upper corner, man missing.

Headband on standing woman in bottom right corner.

Eyes of flower-headed woman to the left of JT.

Wish there was an edit button.
I meant to say:

Picture A
Right Upper corner
Man missing.
(Man in the upper right corner, take a look to the left of him, his male neighbor is missing.)

Picture A
Jack Torrance sleeve is shorter.

Pic B: Man in third row on the right has an added bow tie.

Tall guy in row 5 is missing his jacket pocket.

Follow Jacks left hand and there is a brunette slightly above with two straps on her dress. B pic is missing a strap.