Which of the following actors portrayed the Ninth Doctor in the British television show "Doctor Who"?

The answer is Christopher Eccleston because he portrayed the Ninth Doctor in the British television show Doctor Who. Eccleston took on the role of the Doctor when Doctor Who was revived in 2005, and he played the character for one series. He brought a unique and darker portrayal to the Doctor, reintroducing and reintegrating the character into popular culture after a hiatus, and establishing the foundation for the long-running and beloved modern era of Doctor Who.