The WC2 speech pack was released both on Disk, and with every WC2 CD release to date. Including Kilrathi saga.
The speech is played during the opening cinematic, certain cinemas with Khasra and the Emperor, and possibly a few more that I can't remember.
The Privateer speech pack, on the other hand...
Everybody spoke in that game, and there was no text talk whatsoever. But the lip synching was horrible. God-awful, to be exact.
By the way... when the hell do I get to stop being a cadet?