This was posted today on SciFi Wire:
Ten stars of SCI FI Channel's original series Battlestar Galactica will make an appearance on CBS' Late Show With David Letterman to present the Top 10 List on March 19.
They include Edward James Olmos, Mary McDonnell, Katee Sackhoff, Jamie Bamber, James Callis, Tricia Helfer, Grace Park, Michael Hogan, Aaron Douglas and Lucy Lawless. The show airs at 11:35 p.m. ET/PT.
The fourth season of Battlestar Galactica kicks off on March 28 at 10 p.m. ET/PT with two back-to-back half-hour specials, with the first new episode premiering the following week, April 4, 10 p.m.