Hasta La Motion!

Hey guys,
I had a bit of a random cool effect, but most definitely not what I need for this shot rendering error occur. Basically rendering out a quicktime movie with any of the codecs we use makes all of the green screen elements become living gumball machines (random chromatic pixel noise)

I have never had this issue before, and we primarily use AE in house. This was a rare occasion where an old shake script needed to be brought back to life and updated. The flipbook shows everything exactly how it is supposed to be.

I tried a tiff sequence as well, but the BG was gone and just the green screen elements appeared. Its not a hard comp to remake on the fly, so I am not too worried. I am just curious as to if any of you have come across this issue before and if you found a fix.

cheers