Other Characters visible in the Trailer:

-Final Form of Neff - Villain from Altered Beast - Big Purple Rhino at the meeting

-Chun Li - During Station shot, look for the bald football/soccer player near the bottom right corner. Chun Li is walking behind him from right to left.

-Cammy - To the right again. Find that Big Sun looking thing. Look further down from it and Cammy is walking towards the screen.

-Nathan Drake - Not 100% Sure about this one, but he's the easiest to find. Look for M.Bison in the Station Scene and look just to the left of him.