Use this freeware tool to play Bink files on MacOS X.
Bink videos look amazing! Bink can scale its data rate from 1200 kps for 1280x720p videos down to 75 kps for Nintendo DS videos. Bink will always make the best possible video for your data rate.Bink is super, super fast. In some cases, up to 10 times faster than other modern codecs