Well... "sorta" himself.
On the left is my family meeting John Barrowman at the Sand Diego Comic Con. On the right is John Barrowman wearing my daughter's TARDIS (official picture from his page). He was so nice to my kids!
At least he tried. Click the image to see the video messages he and Martin Freeman recorded for SDCC.
Also, be sure to brush up on your knowledge of "The Empty House," cause rumor has it it's the basis for the next episode.
You'll have to put up with some screaming, but how could you resist Matt Smith, Kit Harington, and Steven Yeun talking about the best and worst parts of their jobs?