I would respectfully suggest any [or all] of the following special guests (not all are directly associated with the Stargate franchise):
Aaron Douglas
Luvia Petersen
Rachel Nichols
Rahul Kohli
Aaron Ashmore
Anna Hopkins
Robert Picardo
Joe Flanigan
Zoie Palmer
Robert Carlyle
Megan Gallagher
John Frizzell (composer)
Sabrina Lloyd
Tembi Locke
Kris Holden-Ried
Kandyse McClure
Laura Bertram
Christina Cox
J.C. MacKenzie
Niall Matter
Cynthia Stevenson
Ellen Muth
Paul Blackthorne
Suleka Mathew
Jasika Nicole
Kristanna Loken
Noah Danby
Agam Darshi
Saul Rubinek
Thank you!