It's the same version of QuickTime Player 7.6.6. You can install it from the above link even though it says for 10.6.3. Snow Leopard update 10.6.4 included an update to 7.6.6 (if installed). The QuickTime 7 player will only be present if a QuickTime Pro key was present at the time of installation, or if specified as part of a custom install, or individually downloaded:
Mac OS X 10.6 includes QuickTime versions 10.0 and 7.6.3.
