Yes, Christopher Eccleston HAS returned to the role of the Doctor, yet it was not in the way you might think…. check out this engagement proposal video:
This is what Christopher Eccleston said to the podcast Bad Wilf.
“I left Doctor Who because I could not get along with the senior people. I left because of politics. I did not see eye-to-eye with them. I didn’t agree with the way things were being run. I didn’t like the culture that had grown up, around the series. So I left, I felt, over a principle.