LucasArts, Sony Computer Entertainment America and Best Buy will commemorate the release of the upcoming videogame Star Wars: The Force Unleashed with an exclusive launch party, offering eager gamers a chance to celebrate the Saga and get their hands on the first copies of the game. The party, which will be held at the Best Buy store at 1717 Harrison St. in San Francisco on Monday, Sept. 15, will run from 7pm until midnight and will feature appearances by several very special guests, including:

• Sam Witwer, who plays Darth Vader’s Secret Apprentice in the game and who also joined the cast of The CW’s “Smallville” this season; Adrienne Wilkinson, who plays Maris Brood, a dark and mysterious Jed; and Cully Fredrickson, who plays Jedi Master Rahm Kota, a militant General who is the target of one of the Secret Apprentice’s early missions
• Executive Producer Haden Blackman, Art Director Matt Omernick, Lead Engineer Cedrick Collomb, Lead Content Designer John Stafford, Lead Systems Designer Rich Davis, and dozens of other members of The Force Unleashed development team at LucasArts

In addition, attendees will get a chance to play the full version of the game in advance and be able to get their photo taken with some of their favorite Star Wars characters.