Slightly off-topic... is there any video player (Mac and Windows) that supports viewing alpha movs?

I'm exporting my Char Anim movies to import into Premiere/AfterEffects using Cineform codec with alpha channel.  Are there any video players available that will show the actual contents of these videos?  Right now I basically have to import them into Premiere to see them.  Neither Quicktime Player nor VLC will show the video content, they'll only play the audio portion of the video.