Nathan Fillion on Letterman Fri 23

This Friday (Sep 23) Castle’s Nathan Fillion will make a guest appearance on the Late Show with David Letterman.

The show will air on CBS at 11:35 Friday night.

Those wishing to attend the taping can call (212) 247-6497 to be put on the standby list.

Also guesting on the show are Larry Miller (Stand-up) and Jayhawks (CD, “Mockingbird Time”).