In this public service announcement for GLAAD, Grey's Anatomy stars T.R. Knight and Sara Ramirez, along with former star Kate Walsh and some other familiar faces from ABC shows, deliver a powerful message about tolerance. Check it out:

[youtube]http://www.youtube.com/watch?v=Vt0Dbf5HWyA[/youtube]

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.