no, but torchwood will cross over with Doctor Who
season 10 episode 10
The End of Time Part 2.
Yes, David Tennant did appear in the 50th anniversary episode of Doctor Who, called The Day of the Doctor.
right now... Georgia Moffet who played "Jenny" In the doctor's daughter episode...
His final episode is apparently going to be broadcast on New Year's Day.
David W. Harper did not appear in the "The Substitute" episode of The Waltons because he was not a regular cast member on the show. The episode may not have included his character, Jim-Bob Walton, in the storyline.
No, he left in 2009. His last episode aired January 1, 2010.
No, David Tennant has left, his last episode was on New Years Day, Matt Smith is The Doctor now.
no david tennant is not bisexual or even gay he is straight and is happy with his girlfriend Georgia Moffet (on screen daughter from the episode "the doctor's daughter")
SPOILERS AHEAD! With the death of Ianto Jones, it seems that Gareth David-Lloyd has unfortunately left Torchwood, but not if we fans have something to say about it.
no
The only way he can return for an episode or two would be if they did a multi Doctor special, other then that, no he's not coming back.