David Boreanaz and Michaela Conlin.Tamara Taylor, David Boreanaz, Michaela Conlin and John F. Daley.
Yes, sadly enough Emily didn't attend to the Comic-Con, to which she was scheduled. I just hope that something got in the middle and not that something happened to her.
Some reports of the panel with Bones' spoilers for season 4, in case you're interested.
EW.com, Zap2it, Buddy TV.