SciFi.com is offering fans the chance to ask questions of the cast. You'll need to be a member of SciFi's boards to ask but here are the links (updated Sep 28th as SciFi changed the links to split them on SG1 and SGA boards).
Also, update on TORRI HIGGINSON's "NCIS" appearance. The following is from a CBS press release posted on The Futon Critic.
WHEN DUCKY DETERMINES THAT ONE OF HIS RESEARCH CADAVERS WAS THE VICTIM OF MURDER, THE NCIS TEAM UNCOVERS A WEB OF CRIMINAL INTRIGUE, ON "NCIS," TUESDAY, OCT. 16
"Identity Crisis" - Gibbs and his team identify a cadaver, mistakenly tagged a "John Doe," as a career felon with ties to a criminal mastermind capable of erasing unsavory pasts, on NCIS, Tuesday, Oct. 16 (8:00-9:00 PM, ET/PT) on the CBS Television Network.
FBI Special Agent Courtney Krieger: Dorian Brown
Dr. Jordan Hampton: Torri Higginson
Shannon O'Hara: Nikita Ager
Robert Graves: Joe Egender
Navy Lt. Carl Greer: Emerson Brooks
full release at http://www.thefutoncritic.com/listings.aspx?id=20070925cbs03