Wow. I'm sure something is driving that 90 seconds but dear god.
I could understand the no scrolling since they'd be flying by so fast, it wouldn't matter but there sure don't seem to be many options past screen cuts with as many names as you can cram in them.
And trying to make it look cool too? lol If it were me, I'd start with 50 names per credit screen X 2.x seconds each, 40s screens.  No fades, all cuts. Not many options here.
Eric